20713270

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{613}}^1$

素因数の和:760

約数の個数: 32

約数和(自身を含む): 38903040

約数和(自身を除く): 18189770

約数列:

[1, 2, 5, 10, 31, 62, 109, 155, 218, 310, 545, 613, 1090, 1226, 3065, 3379, 6130, 6758, 16895, 19003, 33790, 38006, 66817, 95015, 133634, 190030, 334085, 668170, 2071327, 4142654, 10356635, 20713270]

約数ペア:

[(1, 20713270), (2, 10356635), (5, 4142654), (10, 2071327), (31, 668170), (62, 334085), (109, 190030), (155, 133634), (218, 95015), (310, 66817), (545, 38006), (613, 33790), (1090, 19003), (1226, 16895), (3065, 6758), (3379, 6130)]