20347006040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12406711}}^1$

素因数の和:12406763

約数の個数: 32

約数和(自身を含む): 46897371360

約数和(自身を除く): 26550365320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 12406711, 24813422, 49626844, 62033555, 99253688, 124067110, 248134220, 496268440, 508675151, 1017350302, 2034700604, 2543375755, 4069401208, 5086751510, 10173503020, 20347006040]

約数ペア:

[(1, 20347006040), (2, 10173503020), (4, 5086751510), (5, 4069401208), (8, 2543375755), (10, 2034700604), (20, 1017350302), (40, 508675151), (41, 496268440), (82, 248134220), (164, 124067110), (205, 99253688), (328, 62033555), (410, 49626844), (820, 24813422), (1640, 12406711)]