20708064

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{5531}}^1$

素因数の和:5560

約数の個数: 72

約数和(自身を含む): 63429912

約数和(自身を除く): 42721848

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 5531, 11062, 16593, 22124, 33186, 44248, 49779, 66372, 71903, 88496, 99558, 132744, 143806, 176992, 199116, 215709, 265488, 287612, 398232, 431418, 530976, 575224, 647127, 796464, 862836, 1150448, 1294254, 1592928, 1725672, 2300896, 2588508, 3451344, 5177016, 6902688, 10354032, 20708064]

約数ペア:

[(1, 20708064), (2, 10354032), (3, 6902688), (4, 5177016), (6, 3451344), (8, 2588508), (9, 2300896), (12, 1725672), (13, 1592928), (16, 1294254), (18, 1150448), (24, 862836), (26, 796464), (32, 647127), (36, 575224), (39, 530976), (48, 431418), (52, 398232), (72, 287612), (78, 265488), (96, 215709), (104, 199116), (117, 176992), (144, 143806), (156, 132744), (208, 99558), (234, 88496), (288, 71903), (312, 66372), (416, 49779), (468, 44248), (624, 33186), (936, 22124), (1248, 16593), (1872, 11062), (3744, 5531)]