20875296

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:458

約数の個数: 96

約数和(自身を含む): 60540480

約数和(自身を除く): 39665184

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 43, 48, 52, 78, 86, 96, 104, 129, 156, 172, 208, 258, 312, 344, 389, 416, 516, 559, 624, 688, 778, 1032, 1118, 1167, 1248, 1376, 1556, 1677, 2064, 2236, 2334, 3112, 3354, 4128, 4472, 4668, 5057, 6224, 6708, 8944, 9336, 10114, 12448, 13416, 15171, 16727, 17888, 18672, 20228, 26832, 30342, 33454, 37344, 40456, 50181, 53664, 60684, 66908, 80912, 100362, 121368, 133816, 161824, 200724, 217451, 242736, 267632, 401448, 434902, 485472, 535264, 652353, 802896, 869804, 1304706, 1605792, 1739608, 2609412, 3479216, 5218824, 6958432, 10437648, 20875296]

約数ペア:

[(1, 20875296), (2, 10437648), (3, 6958432), (4, 5218824), (6, 3479216), (8, 2609412), (12, 1739608), (13, 1605792), (16, 1304706), (24, 869804), (26, 802896), (32, 652353), (39, 535264), (43, 485472), (48, 434902), (52, 401448), (78, 267632), (86, 242736), (96, 217451), (104, 200724), (129, 161824), (156, 133816), (172, 121368), (208, 100362), (258, 80912), (312, 66908), (344, 60684), (389, 53664), (416, 50181), (516, 40456), (559, 37344), (624, 33454), (688, 30342), (778, 26832), (1032, 20228), (1118, 18672), (1167, 17888), (1248, 16727), (1376, 15171), (1556, 13416), (1677, 12448), (2064, 10114), (2236, 9336), (2334, 8944), (3112, 6708), (3354, 6224), (4128, 5057), (4472, 4668)]