20873648640

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{209071}}^1$

素因数の和:209110

約数の個数: 160

約数和(自身を含む): 71863900416

約数和(自身を除く): 50990251776

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, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 512, 520, 624, 640, 768, 780, 832, 960, 1040, 1248, 1280, 1536, 1560, 1664, 1920, 2080, 2496, 2560, 3120, 3328, 3840, 4160, 4992, 6240, 6656, 7680, 8320, 9984, 12480, 16640, 19968, 24960, 33280, 49920, 99840, 209071, 418142, 627213, 836284, 1045355, 1254426, 1672568, 2090710, 2508852, 2717923, 3136065, 3345136, 4181420, 5017704, 5435846, 6272130, 6690272, 8153769, 8362840, 10035408, 10871692, 12544260, 13380544, 13589615, 16307538, 16725680, 20070816, 21743384, 25088520, 26761088, 27179230, 32615076, 33451360, 40141632, 40768845, 43486768, 50177040, 53522176, 54358460, 65230152, 66902720, 80283264, 81537690, 86973536, 100354080, 107044352, 108716920, 130460304, 133805440, 160566528, 163075380, 173947072, 200708160, 217433840, 260920608, 267610880, 321133056, 326150760, 347894144, 401416320, 434867680, 521841216, 535221760, 652301520, 695788288, 802832640, 869735360, 1043682432, 1304603040, 1391576576, 1605665280, 1739470720, 2087364864, 2609206080, 3478941440, 4174729728, 5218412160, 6957882880, 10436824320, 20873648640]

約数ペア:

[(1, 20873648640), (2, 10436824320), (3, 6957882880), (4, 5218412160), (5, 4174729728), (6, 3478941440), (8, 2609206080), (10, 2087364864), (12, 1739470720), (13, 1605665280), (15, 1391576576), (16, 1304603040), (20, 1043682432), (24, 869735360), (26, 802832640), (30, 695788288), (32, 652301520), (39, 535221760), (40, 521841216), (48, 434867680), (52, 401416320), (60, 347894144), (64, 326150760), (65, 321133056), (78, 267610880), (80, 260920608), (96, 217433840), (104, 200708160), (120, 173947072), (128, 163075380), (130, 160566528), (156, 133805440), (160, 130460304), (192, 108716920), (195, 107044352), (208, 100354080), (240, 86973536), (256, 81537690), (260, 80283264), (312, 66902720), (320, 65230152), (384, 54358460), (390, 53522176), (416, 50177040), (480, 43486768), (512, 40768845), (520, 40141632), (624, 33451360), (640, 32615076), (768, 27179230), (780, 26761088), (832, 25088520), (960, 21743384), (1040, 20070816), (1248, 16725680), (1280, 16307538), (1536, 13589615), (1560, 13380544), (1664, 12544260), (1920, 10871692), (2080, 10035408), (2496, 8362840), (2560, 8153769), (3120, 6690272), (3328, 6272130), (3840, 5435846), (4160, 5017704), (4992, 4181420), (6240, 3345136), (6656, 3136065), (7680, 2717923), (8320, 2508852), (9984, 2090710), (12480, 1672568), (16640, 1254426), (19968, 1045355), (24960, 836284), (33280, 627213), (49920, 418142), (99840, 209071)]