20288996064

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{2272513}}^1$

素因数の和:2272560

約数の個数: 72

約数和(自身を含む): 59558046912

約数和(自身を除く): 39269050848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 144, 186, 248, 279, 288, 372, 496, 558, 744, 992, 1116, 1488, 2232, 2976, 4464, 8928, 2272513, 4545026, 6817539, 9090052, 13635078, 18180104, 20452617, 27270156, 36360208, 40905234, 54540312, 70447903, 72720416, 81810468, 109080624, 140895806, 163620936, 211343709, 218161248, 281791612, 327241872, 422687418, 563583224, 634031127, 654483744, 845374836, 1127166448, 1268062254, 1690749672, 2254332896, 2536124508, 3381499344, 5072249016, 6762998688, 10144498032, 20288996064]

約数ペア:

[(1, 20288996064), (2, 10144498032), (3, 6762998688), (4, 5072249016), (6, 3381499344), (8, 2536124508), (9, 2254332896), (12, 1690749672), (16, 1268062254), (18, 1127166448), (24, 845374836), (31, 654483744), (32, 634031127), (36, 563583224), (48, 422687418), (62, 327241872), (72, 281791612), (93, 218161248), (96, 211343709), (124, 163620936), (144, 140895806), (186, 109080624), (248, 81810468), (279, 72720416), (288, 70447903), (372, 54540312), (496, 40905234), (558, 36360208), (744, 27270156), (992, 20452617), (1116, 18180104), (1488, 13635078), (2232, 9090052), (2976, 6817539), (4464, 4545026), (8928, 2272513)]