20512202016

素因数分解:

$2^5\times 3^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1\times {\mathrm{12071}}^1$

素因数の和:12686

約数の個数: 96

約数和(自身を含む): 55683403776

約数和(自身を除く): 35171201760

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 93, 96, 124, 186, 248, 372, 496, 571, 744, 992, 1142, 1488, 1713, 2284, 2976, 3426, 4568, 6852, 9136, 12071, 13704, 17701, 18272, 24142, 27408, 35402, 36213, 48284, 53103, 54816, 70804, 72426, 96568, 106206, 141608, 144852, 193136, 212412, 283216, 289704, 374201, 386272, 424824, 566432, 579408, 748402, 849648, 1122603, 1158816, 1496804, 1699296, 2245206, 2993608, 4490412, 5987216, 6892541, 8980824, 11974432, 13785082, 17961648, 20677623, 27570164, 35923296, 41355246, 55140328, 82710492, 110280656, 165420984, 213668771, 220561312, 330841968, 427337542, 641006313, 661683936, 854675084, 1282012626, 1709350168, 2564025252, 3418700336, 5128050504, 6837400672, 10256101008, 20512202016]

約数ペア:

[(1, 20512202016), (2, 10256101008), (3, 6837400672), (4, 5128050504), (6, 3418700336), (8, 2564025252), (12, 1709350168), (16, 1282012626), (24, 854675084), (31, 661683936), (32, 641006313), (48, 427337542), (62, 330841968), (93, 220561312), (96, 213668771), (124, 165420984), (186, 110280656), (248, 82710492), (372, 55140328), (496, 41355246), (571, 35923296), (744, 27570164), (992, 20677623), (1142, 17961648), (1488, 13785082), (1713, 11974432), (2284, 8980824), (2976, 6892541), (3426, 5987216), (4568, 4490412), (6852, 2993608), (9136, 2245206), (12071, 1699296), (13704, 1496804), (17701, 1158816), (18272, 1122603), (24142, 849648), (27408, 748402), (35402, 579408), (36213, 566432), (48284, 424824), (53103, 386272), (54816, 374201), (70804, 289704), (72426, 283216), (96568, 212412), (106206, 193136), (141608, 144852)]