20631528

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:323

約数の個数: 96

約数和(自身を含む): 59459400

約数和(自身を除く): 38827872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 41, 58, 72, 82, 87, 116, 123, 164, 174, 232, 241, 246, 261, 328, 348, 369, 482, 492, 522, 696, 723, 738, 964, 984, 1044, 1189, 1446, 1476, 1928, 2088, 2169, 2378, 2892, 2952, 3567, 4338, 4756, 5784, 6989, 7134, 8676, 9512, 9881, 10701, 13978, 14268, 17352, 19762, 20967, 21402, 27956, 28536, 29643, 39524, 41934, 42804, 55912, 59286, 62901, 79048, 83868, 85608, 88929, 118572, 125802, 167736, 177858, 237144, 251604, 286549, 355716, 503208, 573098, 711432, 859647, 1146196, 1719294, 2292392, 2578941, 3438588, 5157882, 6877176, 10315764, 20631528]

約数ペア:

[(1, 20631528), (2, 10315764), (3, 6877176), (4, 5157882), (6, 3438588), (8, 2578941), (9, 2292392), (12, 1719294), (18, 1146196), (24, 859647), (29, 711432), (36, 573098), (41, 503208), (58, 355716), (72, 286549), (82, 251604), (87, 237144), (116, 177858), (123, 167736), (164, 125802), (174, 118572), (232, 88929), (241, 85608), (246, 83868), (261, 79048), (328, 62901), (348, 59286), (369, 55912), (482, 42804), (492, 41934), (522, 39524), (696, 29643), (723, 28536), (738, 27956), (964, 21402), (984, 20967), (1044, 19762), (1189, 17352), (1446, 14268), (1476, 13978), (1928, 10701), (2088, 9881), (2169, 9512), (2378, 8676), (2892, 7134), (2952, 6989), (3567, 5784), (4338, 4756)]