20049446560

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{876287}}^1$

素因数の和:876326

約数の個数: 96

約数和(自身を含む): 55647793152

約数和(自身を除く): 35598346592

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 160, 176, 208, 220, 260, 286, 352, 416, 440, 520, 572, 715, 880, 1040, 1144, 1430, 1760, 2080, 2288, 2860, 4576, 5720, 11440, 22880, 876287, 1752574, 3505148, 4381435, 7010296, 8762870, 9639157, 11391731, 14020592, 17525740, 19278314, 22783462, 28041184, 35051480, 38556628, 45566924, 48195785, 56958655, 70102960, 77113256, 91133848, 96391570, 113917310, 125309041, 140205920, 154226512, 182267696, 192783140, 227834620, 250618082, 308453024, 364535392, 385566280, 455669240, 501236164, 626545205, 771132560, 911338480, 1002472328, 1253090410, 1542265120, 1822676960, 2004944656, 2506180820, 4009889312, 5012361640, 10024723280, 20049446560]

約数ペア:

[(1, 20049446560), (2, 10024723280), (4, 5012361640), (5, 4009889312), (8, 2506180820), (10, 2004944656), (11, 1822676960), (13, 1542265120), (16, 1253090410), (20, 1002472328), (22, 911338480), (26, 771132560), (32, 626545205), (40, 501236164), (44, 455669240), (52, 385566280), (55, 364535392), (65, 308453024), (80, 250618082), (88, 227834620), (104, 192783140), (110, 182267696), (130, 154226512), (143, 140205920), (160, 125309041), (176, 113917310), (208, 96391570), (220, 91133848), (260, 77113256), (286, 70102960), (352, 56958655), (416, 48195785), (440, 45566924), (520, 38556628), (572, 35051480), (715, 28041184), (880, 22783462), (1040, 19278314), (1144, 17525740), (1430, 14020592), (1760, 11391731), (2080, 9639157), (2288, 8762870), (2860, 7010296), (4576, 4381435), (5720, 3505148), (11440, 1752574), (22880, 876287)]