20460960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1093}}^1$

素因数の和:1127

約数の個数: 144

約数和(自身を含む): 75262824

約数和(自身を除く): 54801864

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1093, 1170, 1248, 1440, 1560, 1872, 2080, 2186, 2340, 3120, 3279, 3744, 4372, 4680, 5465, 6240, 6558, 8744, 9360, 9837, 10930, 13116, 14209, 16395, 17488, 18720, 19674, 21860, 26232, 28418, 32790, 34976, 39348, 42627, 43720, 49185, 52464, 56836, 65580, 71045, 78696, 85254, 87440, 98370, 104928, 113672, 127881, 131160, 142090, 157392, 170508, 174880, 196740, 213135, 227344, 255762, 262320, 284180, 314784, 341016, 393480, 426270, 454688, 511524, 524640, 568360, 639405, 682032, 786960, 852540, 1023048, 1136720, 1278810, 1364064, 1573920, 1705080, 2046096, 2273440, 2557620, 3410160, 4092192, 5115240, 6820320, 10230480, 20460960]

約数ペア:

[(1, 20460960), (2, 10230480), (3, 6820320), (4, 5115240), (5, 4092192), (6, 3410160), (8, 2557620), (9, 2273440), (10, 2046096), (12, 1705080), (13, 1573920), (15, 1364064), (16, 1278810), (18, 1136720), (20, 1023048), (24, 852540), (26, 786960), (30, 682032), (32, 639405), (36, 568360), (39, 524640), (40, 511524), (45, 454688), (48, 426270), (52, 393480), (60, 341016), (65, 314784), (72, 284180), (78, 262320), (80, 255762), (90, 227344), (96, 213135), (104, 196740), (117, 174880), (120, 170508), (130, 157392), (144, 142090), (156, 131160), (160, 127881), (180, 113672), (195, 104928), (208, 98370), (234, 87440), (240, 85254), (260, 78696), (288, 71045), (312, 65580), (360, 56836), (390, 52464), (416, 49185), (468, 43720), (480, 42627), (520, 39348), (585, 34976), (624, 32790), (720, 28418), (780, 26232), (936, 21860), (1040, 19674), (1093, 18720), (1170, 17488), (1248, 16395), (1440, 14209), (1560, 13116), (1872, 10930), (2080, 9837), (2186, 9360), (2340, 8744), (3120, 6558), (3279, 6240), (3744, 5465), (4372, 4680)]