20121124860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{20743}}^1$

素因数の和:21092

約数の個数: 144

約数和(自身を含む): 64831306176

約数和(自身を除く): 44710181316

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 317, 340, 510, 612, 634, 765, 951, 1020, 1268, 1530, 1585, 1902, 2853, 3060, 3170, 3804, 4755, 5389, 5706, 6340, 9510, 10778, 11412, 14265, 16167, 19020, 20743, 21556, 26945, 28530, 32334, 41486, 48501, 53890, 57060, 62229, 64668, 80835, 82972, 97002, 103715, 107780, 124458, 161670, 186687, 194004, 207430, 242505, 248916, 311145, 323340, 352631, 373374, 414860, 485010, 622290, 705262, 746748, 933435, 970020, 1057893, 1244580, 1410524, 1763155, 1866870, 2115786, 3173679, 3526310, 3733740, 4231572, 5289465, 6347358, 6575531, 7052620, 10578930, 12694716, 13151062, 15868395, 19726593, 21157860, 26302124, 31736790, 32877655, 39453186, 59179779, 63473580, 65755310, 78906372, 98632965, 111784027, 118359558, 131510620, 197265930, 223568054, 236719116, 295898895, 335352081, 394531860, 447136108, 558920135, 591797790, 670704162, 1006056243, 1117840270, 1183595580, 1341408324, 1676760405, 2012112486, 2235680540, 3353520810, 4024224972, 5030281215, 6707041620, 10060562430, 20121124860]

約数ペア:

[(1, 20121124860), (2, 10060562430), (3, 6707041620), (4, 5030281215), (5, 4024224972), (6, 3353520810), (9, 2235680540), (10, 2012112486), (12, 1676760405), (15, 1341408324), (17, 1183595580), (18, 1117840270), (20, 1006056243), (30, 670704162), (34, 591797790), (36, 558920135), (45, 447136108), (51, 394531860), (60, 335352081), (68, 295898895), (85, 236719116), (90, 223568054), (102, 197265930), (153, 131510620), (170, 118359558), (180, 111784027), (204, 98632965), (255, 78906372), (306, 65755310), (317, 63473580), (340, 59179779), (510, 39453186), (612, 32877655), (634, 31736790), (765, 26302124), (951, 21157860), (1020, 19726593), (1268, 15868395), (1530, 13151062), (1585, 12694716), (1902, 10578930), (2853, 7052620), (3060, 6575531), (3170, 6347358), (3804, 5289465), (4755, 4231572), (5389, 3733740), (5706, 3526310), (6340, 3173679), (9510, 2115786), (10778, 1866870), (11412, 1763155), (14265, 1410524), (16167, 1244580), (19020, 1057893), (20743, 970020), (21556, 933435), (26945, 746748), (28530, 705262), (32334, 622290), (41486, 485010), (48501, 414860), (53890, 373374), (57060, 352631), (62229, 323340), (64668, 311145), (80835, 248916), (82972, 242505), (97002, 207430), (103715, 194004), (107780, 186687), (124458, 161670)]