20160857860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{3253}}^1$

素因数の和:3494

約数の個数: 144

約数和(自身を含む): 50386211568

約数和(自身を除く): 30225353708

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 197, 220, 242, 260, 286, 394, 484, 572, 605, 715, 788, 985, 1210, 1430, 1573, 1970, 2167, 2420, 2561, 2860, 3146, 3253, 3940, 4334, 5122, 6292, 6506, 7865, 8668, 10244, 10835, 12805, 13012, 15730, 16265, 21670, 23837, 25610, 28171, 31460, 32530, 35783, 42289, 43340, 47674, 51220, 56342, 65060, 71566, 84578, 95348, 112684, 119185, 140855, 143132, 169156, 178915, 211445, 238370, 281710, 309881, 357830, 393613, 422890, 465179, 476740, 563420, 619762, 640841, 715660, 787226, 845780, 930358, 1239524, 1281682, 1549405, 1574452, 1860716, 1968065, 2325895, 2563364, 3098810, 3204205, 3936130, 4651790, 5116969, 6197620, 6408410, 7049251, 7872260, 8330933, 9303580, 10233938, 12816820, 14098502, 16661866, 20467876, 25584845, 28197004, 33323732, 35246255, 41654665, 51169690, 70492510, 77541761, 83309330, 91640263, 102339380, 140985020, 155083522, 166618660, 183280526, 310167044, 366561052, 387708805, 458201315, 775417610, 916402630, 1008042893, 1550835220, 1832805260, 2016085786, 4032171572, 5040214465, 10080428930, 20160857860]

約数ペア:

[(1, 20160857860), (2, 10080428930), (4, 5040214465), (5, 4032171572), (10, 2016085786), (11, 1832805260), (13, 1550835220), (20, 1008042893), (22, 916402630), (26, 775417610), (44, 458201315), (52, 387708805), (55, 366561052), (65, 310167044), (110, 183280526), (121, 166618660), (130, 155083522), (143, 140985020), (197, 102339380), (220, 91640263), (242, 83309330), (260, 77541761), (286, 70492510), (394, 51169690), (484, 41654665), (572, 35246255), (605, 33323732), (715, 28197004), (788, 25584845), (985, 20467876), (1210, 16661866), (1430, 14098502), (1573, 12816820), (1970, 10233938), (2167, 9303580), (2420, 8330933), (2561, 7872260), (2860, 7049251), (3146, 6408410), (3253, 6197620), (3940, 5116969), (4334, 4651790), (5122, 3936130), (6292, 3204205), (6506, 3098810), (7865, 2563364), (8668, 2325895), (10244, 1968065), (10835, 1860716), (12805, 1574452), (13012, 1549405), (15730, 1281682), (16265, 1239524), (21670, 930358), (23837, 845780), (25610, 787226), (28171, 715660), (31460, 640841), (32530, 619762), (35783, 563420), (42289, 476740), (43340, 465179), (47674, 422890), (51220, 393613), (56342, 357830), (65060, 309881), (71566, 281710), (84578, 238370), (95348, 211445), (112684, 178915), (119185, 169156), (140855, 143132)]