20486459760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{28181}}^1$

素因数の和:28443

約数の個数: 160

約数和(自身を含む): 68689228608

約数和(自身を除く): 48202768848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 233, 240, 260, 312, 390, 466, 520, 624, 699, 780, 932, 1040, 1165, 1398, 1560, 1864, 2330, 2796, 3029, 3120, 3495, 3728, 4660, 5592, 6058, 6990, 9087, 9320, 11184, 12116, 13980, 15145, 18174, 18640, 24232, 27960, 28181, 30290, 36348, 45435, 48464, 55920, 56362, 60580, 72696, 84543, 90870, 112724, 121160, 140905, 145392, 169086, 181740, 225448, 242320, 281810, 338172, 363480, 366353, 422715, 450896, 563620, 676344, 726960, 732706, 845430, 1099059, 1127240, 1352688, 1465412, 1690860, 1831765, 2198118, 2254480, 2930824, 3381720, 3663530, 4396236, 5495295, 5861648, 6566173, 6763440, 7327060, 8792472, 10990590, 13132346, 14654120, 17584944, 19698519, 21981180, 26264692, 29308240, 32830865, 39397038, 43962360, 52529384, 65661730, 78794076, 85360249, 87924720, 98492595, 105058768, 131323460, 157588152, 170720498, 196985190, 256080747, 262646920, 315176304, 341440996, 393970380, 426801245, 512161494, 525293840, 682881992, 787940760, 853602490, 1024322988, 1280403735, 1365763984, 1575881520, 1707204980, 2048645976, 2560807470, 3414409960, 4097291952, 5121614940, 6828819920, 10243229880, 20486459760]

約数ペア:

[(1, 20486459760), (2, 10243229880), (3, 6828819920), (4, 5121614940), (5, 4097291952), (6, 3414409960), (8, 2560807470), (10, 2048645976), (12, 1707204980), (13, 1575881520), (15, 1365763984), (16, 1280403735), (20, 1024322988), (24, 853602490), (26, 787940760), (30, 682881992), (39, 525293840), (40, 512161494), (48, 426801245), (52, 393970380), (60, 341440996), (65, 315176304), (78, 262646920), (80, 256080747), (104, 196985190), (120, 170720498), (130, 157588152), (156, 131323460), (195, 105058768), (208, 98492595), (233, 87924720), (240, 85360249), (260, 78794076), (312, 65661730), (390, 52529384), (466, 43962360), (520, 39397038), (624, 32830865), (699, 29308240), (780, 26264692), (932, 21981180), (1040, 19698519), (1165, 17584944), (1398, 14654120), (1560, 13132346), (1864, 10990590), (2330, 8792472), (2796, 7327060), (3029, 6763440), (3120, 6566173), (3495, 5861648), (3728, 5495295), (4660, 4396236), (5592, 3663530), (6058, 3381720), (6990, 2930824), (9087, 2254480), (9320, 2198118), (11184, 1831765), (12116, 1690860), (13980, 1465412), (15145, 1352688), (18174, 1127240), (18640, 1099059), (24232, 845430), (27960, 732706), (28181, 726960), (30290, 676344), (36348, 563620), (45435, 450896), (48464, 422715), (55920, 366353), (56362, 363480), (60580, 338172), (72696, 281810), (84543, 242320), (90870, 225448), (112724, 181740), (121160, 169086), (140905, 145392)]