20197750

素因数分解:

$2^1\times 5^3\times {\mathrm{173}}^1\times {\mathrm{467}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 38110176

約数和(自身を除く): 17912426

約数列:

[1, 2, 5, 10, 25, 50, 125, 173, 250, 346, 467, 865, 934, 1730, 2335, 4325, 4670, 8650, 11675, 21625, 23350, 43250, 58375, 80791, 116750, 161582, 403955, 807910, 2019775, 4039550, 10098875, 20197750]

約数ペア:

[(1, 20197750), (2, 10098875), (5, 4039550), (10, 2019775), (25, 807910), (50, 403955), (125, 161582), (173, 116750), (250, 80791), (346, 58375), (467, 43250), (865, 23350), (934, 21625), (1730, 11675), (2335, 8650), (4325, 4670)]