20219460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1$

素因数の和:533

約数の個数: 96

約数和(自身を含む): 61471872

約数和(自身を除く): 41252412

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 43, 51, 60, 68, 85, 86, 102, 129, 170, 172, 204, 215, 255, 258, 340, 430, 461, 510, 516, 645, 731, 860, 922, 1020, 1290, 1383, 1462, 1844, 2193, 2305, 2580, 2766, 2924, 3655, 4386, 4610, 5532, 6915, 7310, 7837, 8772, 9220, 10965, 13830, 14620, 15674, 19823, 21930, 23511, 27660, 31348, 39185, 39646, 43860, 47022, 59469, 78370, 79292, 94044, 99115, 117555, 118938, 156740, 198230, 235110, 237876, 297345, 336991, 396460, 470220, 594690, 673982, 1010973, 1189380, 1347964, 1684955, 2021946, 3369910, 4043892, 5054865, 6739820, 10109730, 20219460]

約数ペア:

[(1, 20219460), (2, 10109730), (3, 6739820), (4, 5054865), (5, 4043892), (6, 3369910), (10, 2021946), (12, 1684955), (15, 1347964), (17, 1189380), (20, 1010973), (30, 673982), (34, 594690), (43, 470220), (51, 396460), (60, 336991), (68, 297345), (85, 237876), (86, 235110), (102, 198230), (129, 156740), (170, 118938), (172, 117555), (204, 99115), (215, 94044), (255, 79292), (258, 78370), (340, 59469), (430, 47022), (461, 43860), (510, 39646), (516, 39185), (645, 31348), (731, 27660), (860, 23511), (922, 21930), (1020, 19823), (1290, 15674), (1383, 14620), (1462, 13830), (1844, 10965), (2193, 9220), (2305, 8772), (2580, 7837), (2766, 7310), (2924, 6915), (3655, 5532), (4386, 4610)]