20345291260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{37561}}^1$

素因数の和:37703

約数の個数: 96

約数和(自身を含む): 50432844672

約数和(自身を除く): 30087553412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 73, 106, 140, 146, 212, 265, 292, 365, 371, 511, 530, 730, 742, 1022, 1060, 1460, 1484, 1855, 2044, 2555, 3710, 3869, 5110, 7420, 7738, 10220, 15476, 19345, 27083, 37561, 38690, 54166, 75122, 77380, 108332, 135415, 150244, 187805, 262927, 270830, 375610, 525854, 541660, 751220, 1051708, 1314635, 1990733, 2629270, 2741953, 3981466, 5258540, 5483906, 7962932, 9953665, 10967812, 13709765, 13935131, 19193671, 19907330, 27419530, 27870262, 38387342, 39814660, 54839060, 55740524, 69675655, 76774684, 95968355, 139351310, 145323509, 191936710, 278702620, 290647018, 383873420, 581294036, 726617545, 1017264563, 1453235090, 2034529126, 2906470180, 4069058252, 5086322815, 10172645630, 20345291260]

約数ペア:

[(1, 20345291260), (2, 10172645630), (4, 5086322815), (5, 4069058252), (7, 2906470180), (10, 2034529126), (14, 1453235090), (20, 1017264563), (28, 726617545), (35, 581294036), (53, 383873420), (70, 290647018), (73, 278702620), (106, 191936710), (140, 145323509), (146, 139351310), (212, 95968355), (265, 76774684), (292, 69675655), (365, 55740524), (371, 54839060), (511, 39814660), (530, 38387342), (730, 27870262), (742, 27419530), (1022, 19907330), (1060, 19193671), (1460, 13935131), (1484, 13709765), (1855, 10967812), (2044, 9953665), (2555, 7962932), (3710, 5483906), (3869, 5258540), (5110, 3981466), (7420, 2741953), (7738, 2629270), (10220, 1990733), (15476, 1314635), (19345, 1051708), (27083, 751220), (37561, 541660), (38690, 525854), (54166, 375610), (75122, 270830), (77380, 262927), (108332, 187805), (135415, 150244)]