15523420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1721}}^1$

素因数の和:1782

約数の個数: 48

約数和(自身を含む): 36451296

約数和(自身を除く): 20927876

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1721, 1804, 2255, 3442, 4510, 6884, 8605, 9020, 17210, 18931, 34420, 37862, 70561, 75724, 94655, 141122, 189310, 282244, 352805, 378620, 705610, 776171, 1411220, 1552342, 3104684, 3880855, 7761710, 15523420]

約数ペア:

[(1, 15523420), (2, 7761710), (4, 3880855), (5, 3104684), (10, 1552342), (11, 1411220), (20, 776171), (22, 705610), (41, 378620), (44, 352805), (55, 282244), (82, 189310), (110, 141122), (164, 94655), (205, 75724), (220, 70561), (410, 37862), (451, 34420), (820, 18931), (902, 17210), (1721, 9020), (1804, 8605), (2255, 6884), (3442, 4510)]