20499648

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:262

約数の個数: 112

約数和(自身を含む): 60082176

約数和(自身を除く): 39582528

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 43, 48, 52, 64, 78, 86, 96, 104, 129, 156, 172, 191, 192, 208, 258, 312, 344, 382, 416, 516, 559, 573, 624, 688, 764, 832, 1032, 1118, 1146, 1248, 1376, 1528, 1677, 2064, 2236, 2292, 2483, 2496, 2752, 3056, 3354, 4128, 4472, 4584, 4966, 6112, 6708, 7449, 8213, 8256, 8944, 9168, 9932, 12224, 13416, 14898, 16426, 17888, 18336, 19864, 24639, 26832, 29796, 32852, 35776, 36672, 39728, 49278, 53664, 59592, 65704, 79456, 98556, 106769, 107328, 119184, 131408, 158912, 197112, 213538, 238368, 262816, 320307, 394224, 427076, 476736, 525632, 640614, 788448, 854152, 1281228, 1576896, 1708304, 2562456, 3416608, 5124912, 6833216, 10249824, 20499648]

約数ペア:

[(1, 20499648), (2, 10249824), (3, 6833216), (4, 5124912), (6, 3416608), (8, 2562456), (12, 1708304), (13, 1576896), (16, 1281228), (24, 854152), (26, 788448), (32, 640614), (39, 525632), (43, 476736), (48, 427076), (52, 394224), (64, 320307), (78, 262816), (86, 238368), (96, 213538), (104, 197112), (129, 158912), (156, 131408), (172, 119184), (191, 107328), (192, 106769), (208, 98556), (258, 79456), (312, 65704), (344, 59592), (382, 53664), (416, 49278), (516, 39728), (559, 36672), (573, 35776), (624, 32852), (688, 29796), (764, 26832), (832, 24639), (1032, 19864), (1118, 18336), (1146, 17888), (1248, 16426), (1376, 14898), (1528, 13416), (1677, 12224), (2064, 9932), (2236, 9168), (2292, 8944), (2483, 8256), (2496, 8213), (2752, 7449), (3056, 6708), (3354, 6112), (4128, 4966), (4472, 4584)]