20055360

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1607}}^1$

素因数の和:1640

約数の個数: 112

約数和(自身を含む): 68616576

約数和(自身を除く): 48561216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 1607, 2080, 2496, 3120, 3214, 4160, 4821, 6240, 6428, 8035, 9642, 12480, 12856, 16070, 19284, 20891, 24105, 25712, 32140, 38568, 41782, 48210, 51424, 62673, 64280, 77136, 83564, 96420, 102848, 104455, 125346, 128560, 154272, 167128, 192840, 208910, 250692, 257120, 308544, 313365, 334256, 385680, 417820, 501384, 514240, 626730, 668512, 771360, 835640, 1002768, 1253460, 1337024, 1542720, 1671280, 2005536, 2506920, 3342560, 4011072, 5013840, 6685120, 10027680, 20055360]

約数ペア:

[(1, 20055360), (2, 10027680), (3, 6685120), (4, 5013840), (5, 4011072), (6, 3342560), (8, 2506920), (10, 2005536), (12, 1671280), (13, 1542720), (15, 1337024), (16, 1253460), (20, 1002768), (24, 835640), (26, 771360), (30, 668512), (32, 626730), (39, 514240), (40, 501384), (48, 417820), (52, 385680), (60, 334256), (64, 313365), (65, 308544), (78, 257120), (80, 250692), (96, 208910), (104, 192840), (120, 167128), (130, 154272), (156, 128560), (160, 125346), (192, 104455), (195, 102848), (208, 96420), (240, 83564), (260, 77136), (312, 64280), (320, 62673), (390, 51424), (416, 48210), (480, 41782), (520, 38568), (624, 32140), (780, 25712), (832, 24105), (960, 20891), (1040, 19284), (1248, 16070), (1560, 12856), (1607, 12480), (2080, 9642), (2496, 8035), (3120, 6428), (3214, 6240), (4160, 4821)]