20183384980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{647}}^1$

素因数の和:1142

約数の個数: 192

約数和(自身を含む): 51732172800

約数和(自身を除く): 31548787820

約数列:

[1, 2, 4, 5, 10, 11, 17, 19, 20, 22, 34, 38, 44, 55, 68, 76, 85, 95, 110, 170, 187, 190, 209, 220, 323, 340, 374, 380, 418, 439, 646, 647, 748, 836, 878, 935, 1045, 1292, 1294, 1615, 1756, 1870, 2090, 2195, 2588, 3230, 3235, 3553, 3740, 4180, 4390, 4829, 6460, 6470, 7106, 7117, 7463, 8341, 8780, 9658, 10999, 12293, 12940, 14212, 14234, 14926, 16682, 17765, 19316, 21998, 24145, 24586, 28468, 29852, 33364, 35530, 35585, 37315, 41705, 43996, 48290, 49172, 54995, 61465, 71060, 71170, 74630, 82093, 83410, 91751, 96580, 109990, 120989, 122930, 135223, 141797, 142340, 149260, 164186, 166820, 183502, 208981, 219980, 241978, 245860, 270446, 283594, 284033, 328372, 367004, 410465, 417962, 458755, 483956, 540892, 567188, 568066, 604945, 676115, 708985, 820930, 835924, 917510, 1044905, 1136132, 1209890, 1352230, 1417970, 1420165, 1559767, 1641860, 1835020, 2089810, 2298791, 2419780, 2704460, 2835940, 2840330, 3119534, 3124363, 4179620, 4597582, 4828561, 5396627, 5680660, 6239068, 6248726, 7798835, 9195164, 9657122, 10793254, 11493955, 12497452, 15597670, 15621815, 19314244, 21586508, 22987910, 24142805, 26983135, 31195340, 31243630, 45975820, 48285610, 53114171, 53966270, 59362897, 62487260, 91742659, 96571220, 106228342, 107932540, 118725794, 183485318, 212456684, 237451588, 265570855, 296814485, 366970636, 458713295, 531141710, 593628970, 917426590, 1009169249, 1062283420, 1187257940, 1834853180, 2018338498, 4036676996, 5045846245, 10091692490, 20183384980]

約数ペア:

[(1, 20183384980), (2, 10091692490), (4, 5045846245), (5, 4036676996), (10, 2018338498), (11, 1834853180), (17, 1187257940), (19, 1062283420), (20, 1009169249), (22, 917426590), (34, 593628970), (38, 531141710), (44, 458713295), (55, 366970636), (68, 296814485), (76, 265570855), (85, 237451588), (95, 212456684), (110, 183485318), (170, 118725794), (187, 107932540), (190, 106228342), (209, 96571220), (220, 91742659), (323, 62487260), (340, 59362897), (374, 53966270), (380, 53114171), (418, 48285610), (439, 45975820), (646, 31243630), (647, 31195340), (748, 26983135), (836, 24142805), (878, 22987910), (935, 21586508), (1045, 19314244), (1292, 15621815), (1294, 15597670), (1615, 12497452), (1756, 11493955), (1870, 10793254), (2090, 9657122), (2195, 9195164), (2588, 7798835), (3230, 6248726), (3235, 6239068), (3553, 5680660), (3740, 5396627), (4180, 4828561), (4390, 4597582), (4829, 4179620), (6460, 3124363), (6470, 3119534), (7106, 2840330), (7117, 2835940), (7463, 2704460), (8341, 2419780), (8780, 2298791), (9658, 2089810), (10999, 1835020), (12293, 1641860), (12940, 1559767), (14212, 1420165), (14234, 1417970), (14926, 1352230), (16682, 1209890), (17765, 1136132), (19316, 1044905), (21998, 917510), (24145, 835924), (24586, 820930), (28468, 708985), (29852, 676115), (33364, 604945), (35530, 568066), (35585, 567188), (37315, 540892), (41705, 483956), (43996, 458755), (48290, 417962), (49172, 410465), (54995, 367004), (61465, 328372), (71060, 284033), (71170, 283594), (74630, 270446), (82093, 245860), (83410, 241978), (91751, 219980), (96580, 208981), (109990, 183502), (120989, 166820), (122930, 164186), (135223, 149260), (141797, 142340)]