20175072320

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{285281}}^1$

素因数の和:285328

約数の個数: 112

約数和(自身を含む): 54780990768

約数和(自身を除く): 34605918448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 130, 136, 160, 170, 208, 221, 260, 272, 320, 340, 416, 442, 520, 544, 680, 832, 884, 1040, 1088, 1105, 1360, 1768, 2080, 2210, 2720, 3536, 4160, 4420, 5440, 7072, 8840, 14144, 17680, 35360, 70720, 285281, 570562, 1141124, 1426405, 2282248, 2852810, 3708653, 4564496, 4849777, 5705620, 7417306, 9128992, 9699554, 11411240, 14834612, 18257984, 18543265, 19399108, 22822480, 24248885, 29669224, 37086530, 38798216, 45644960, 48497770, 59338448, 63047101, 74173060, 77596432, 91289920, 96995540, 118676896, 126094202, 148346120, 155192864, 193991080, 237353792, 252188404, 296692240, 310385728, 315235505, 387982160, 504376808, 593384480, 630471010, 775964320, 1008753616, 1186768960, 1260942020, 1551928640, 2017507232, 2521884040, 4035014464, 5043768080, 10087536160, 20175072320]

約数ペア:

[(1, 20175072320), (2, 10087536160), (4, 5043768080), (5, 4035014464), (8, 2521884040), (10, 2017507232), (13, 1551928640), (16, 1260942020), (17, 1186768960), (20, 1008753616), (26, 775964320), (32, 630471010), (34, 593384480), (40, 504376808), (52, 387982160), (64, 315235505), (65, 310385728), (68, 296692240), (80, 252188404), (85, 237353792), (104, 193991080), (130, 155192864), (136, 148346120), (160, 126094202), (170, 118676896), (208, 96995540), (221, 91289920), (260, 77596432), (272, 74173060), (320, 63047101), (340, 59338448), (416, 48497770), (442, 45644960), (520, 38798216), (544, 37086530), (680, 29669224), (832, 24248885), (884, 22822480), (1040, 19399108), (1088, 18543265), (1105, 18257984), (1360, 14834612), (1768, 11411240), (2080, 9699554), (2210, 9128992), (2720, 7417306), (3536, 5705620), (4160, 4849777), (4420, 4564496), (5440, 3708653), (7072, 2852810), (8840, 2282248), (14144, 1426405), (17680, 1141124), (35360, 570562), (70720, 285281)]