20535500

素因数分解:

$2^2\times 5^3\times {\mathrm{67}}^1\times {\mathrm{613}}^1$

素因数の和:699

約数の個数: 48

約数和(自身を含む): 45593184

約数和(自身を除く): 25057684

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 67, 100, 125, 134, 250, 268, 335, 500, 613, 670, 1226, 1340, 1675, 2452, 3065, 3350, 6130, 6700, 8375, 12260, 15325, 16750, 30650, 33500, 41071, 61300, 76625, 82142, 153250, 164284, 205355, 306500, 410710, 821420, 1026775, 2053550, 4107100, 5133875, 10267750, 20535500]

約数ペア:

[(1, 20535500), (2, 10267750), (4, 5133875), (5, 4107100), (10, 2053550), (20, 1026775), (25, 821420), (50, 410710), (67, 306500), (100, 205355), (125, 164284), (134, 153250), (250, 82142), (268, 76625), (335, 61300), (500, 41071), (613, 33500), (670, 30650), (1226, 16750), (1340, 15325), (1675, 12260), (2452, 8375), (3065, 6700), (3350, 6130)]