20585760

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3299}}^1$

素因数の和:3330

約数の個数: 96

約数和(自身を含む): 69854400

約数和(自身を除く): 49268640

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, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 2080, 3120, 3299, 6240, 6598, 9897, 13196, 16495, 19794, 26392, 32990, 39588, 42887, 49485, 52784, 65980, 79176, 85774, 98970, 105568, 128661, 131960, 158352, 171548, 197940, 214435, 257322, 263920, 316704, 343096, 395880, 428870, 514644, 527840, 643305, 686192, 791760, 857740, 1029288, 1286610, 1372384, 1583520, 1715480, 2058576, 2573220, 3430960, 4117152, 5146440, 6861920, 10292880, 20585760]

約数ペア:

[(1, 20585760), (2, 10292880), (3, 6861920), (4, 5146440), (5, 4117152), (6, 3430960), (8, 2573220), (10, 2058576), (12, 1715480), (13, 1583520), (15, 1372384), (16, 1286610), (20, 1029288), (24, 857740), (26, 791760), (30, 686192), (32, 643305), (39, 527840), (40, 514644), (48, 428870), (52, 395880), (60, 343096), (65, 316704), (78, 263920), (80, 257322), (96, 214435), (104, 197940), (120, 171548), (130, 158352), (156, 131960), (160, 128661), (195, 105568), (208, 98970), (240, 85774), (260, 79176), (312, 65980), (390, 52784), (416, 49485), (480, 42887), (520, 39588), (624, 32990), (780, 26392), (1040, 19794), (1248, 16495), (1560, 13196), (2080, 9897), (3120, 6598), (3299, 6240)]