20341790020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{859}}^1\times {\mathrm{28879}}^1$

素因数の和:29788

約数の個数: 48

約数和(自身を含む): 43812115200

約数和(自身を除く): 23470325180

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 859, 1718, 3436, 4295, 8590, 17180, 28879, 35219, 57758, 70438, 115516, 140876, 144395, 176095, 288790, 352190, 577580, 704380, 1184039, 2368078, 4736156, 5920195, 11840390, 23680780, 24807061, 49614122, 99228244, 124035305, 248070610, 496141220, 1017089501, 2034179002, 4068358004, 5085447505, 10170895010, 20341790020]

約数ペア:

[(1, 20341790020), (2, 10170895010), (4, 5085447505), (5, 4068358004), (10, 2034179002), (20, 1017089501), (41, 496141220), (82, 248070610), (164, 124035305), (205, 99228244), (410, 49614122), (820, 24807061), (859, 23680780), (1718, 11840390), (3436, 5920195), (4295, 4736156), (8590, 2368078), (17180, 1184039), (28879, 704380), (35219, 577580), (57758, 352190), (70438, 288790), (115516, 176095), (140876, 144395)]