20656656

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{3877}}^1$

素因数の和:3928

約数の個数: 60

約数和(自身を含む): 59387692

約数和(自身を除く): 38731036

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 48, 72, 74, 111, 144, 148, 222, 296, 333, 444, 592, 666, 888, 1332, 1776, 2664, 3877, 5328, 7754, 11631, 15508, 23262, 31016, 34893, 46524, 62032, 69786, 93048, 139572, 143449, 186096, 279144, 286898, 430347, 558288, 573796, 860694, 1147592, 1291041, 1721388, 2295184, 2582082, 3442776, 5164164, 6885552, 10328328, 20656656]

約数ペア:

[(1, 20656656), (2, 10328328), (3, 6885552), (4, 5164164), (6, 3442776), (8, 2582082), (9, 2295184), (12, 1721388), (16, 1291041), (18, 1147592), (24, 860694), (36, 573796), (37, 558288), (48, 430347), (72, 286898), (74, 279144), (111, 186096), (144, 143449), (148, 139572), (222, 93048), (296, 69786), (333, 62032), (444, 46524), (592, 34893), (666, 31016), (888, 23262), (1332, 15508), (1776, 11631), (2664, 7754), (3877, 5328)]