20176693940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1123}}^1\times {\mathrm{3637}}^1$

素因数の和:4801

約数の個数: 96

約数和(自身を含む): 48087957120

約数和(自身を除く): 27911263180

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1123, 1235, 2246, 2470, 3637, 4492, 4940, 5615, 7274, 11230, 14548, 14599, 18185, 21337, 22460, 29198, 36370, 42674, 47281, 58396, 69103, 72740, 72995, 85348, 94562, 106685, 138206, 145990, 189124, 213370, 236405, 276412, 277381, 291980, 345515, 426740, 472810, 554762, 691030, 898339, 945620, 1109524, 1382060, 1386905, 1796678, 2773810, 3593356, 4084351, 4491695, 5547620, 8168702, 8983390, 16337404, 17966780, 20421755, 40843510, 53096563, 77602669, 81687020, 106193126, 155205338, 212386252, 265482815, 310410676, 388013345, 530965630, 776026690, 1008834697, 1061931260, 1552053380, 2017669394, 4035338788, 5044173485, 10088346970, 20176693940]

約数ペア:

[(1, 20176693940), (2, 10088346970), (4, 5044173485), (5, 4035338788), (10, 2017669394), (13, 1552053380), (19, 1061931260), (20, 1008834697), (26, 776026690), (38, 530965630), (52, 388013345), (65, 310410676), (76, 265482815), (95, 212386252), (130, 155205338), (190, 106193126), (247, 81687020), (260, 77602669), (380, 53096563), (494, 40843510), (988, 20421755), (1123, 17966780), (1235, 16337404), (2246, 8983390), (2470, 8168702), (3637, 5547620), (4492, 4491695), (4940, 4084351), (5615, 3593356), (7274, 2773810), (11230, 1796678), (14548, 1386905), (14599, 1382060), (18185, 1109524), (21337, 945620), (22460, 898339), (29198, 691030), (36370, 554762), (42674, 472810), (47281, 426740), (58396, 345515), (69103, 291980), (72740, 277381), (72995, 276412), (85348, 236405), (94562, 213370), (106685, 189124), (138206, 145990)]