20227160

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:300

約数の個数: 64

約数和(自身を含む): 47606400

約数和(自身を除く): 27379240

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 79, 148, 158, 173, 185, 296, 316, 346, 370, 395, 632, 692, 740, 790, 865, 1384, 1480, 1580, 1730, 2923, 3160, 3460, 5846, 6401, 6920, 11692, 12802, 13667, 14615, 23384, 25604, 27334, 29230, 32005, 51208, 54668, 58460, 64010, 68335, 109336, 116920, 128020, 136670, 256040, 273340, 505679, 546680, 1011358, 2022716, 2528395, 4045432, 5056790, 10113580, 20227160]

約数ペア:

[(1, 20227160), (2, 10113580), (4, 5056790), (5, 4045432), (8, 2528395), (10, 2022716), (20, 1011358), (37, 546680), (40, 505679), (74, 273340), (79, 256040), (148, 136670), (158, 128020), (173, 116920), (185, 109336), (296, 68335), (316, 64010), (346, 58460), (370, 54668), (395, 51208), (632, 32005), (692, 29230), (740, 27334), (790, 25604), (865, 23384), (1384, 14615), (1480, 13667), (1580, 12802), (1730, 11692), (2923, 6920), (3160, 6401), (3460, 5846)]