20168928

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{5387}}^1$

素因数の和:5416

約数の個数: 72

約数和(自身を含む): 61778808

約数和(自身を除く): 41609880

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, 5387, 10774, 16161, 21548, 32322, 43096, 48483, 64644, 70031, 86192, 96966, 129288, 140062, 172384, 193932, 210093, 258576, 280124, 387864, 420186, 517152, 560248, 630279, 775728, 840372, 1120496, 1260558, 1551456, 1680744, 2240992, 2521116, 3361488, 5042232, 6722976, 10084464, 20168928]

約数ペア:

[(1, 20168928), (2, 10084464), (3, 6722976), (4, 5042232), (6, 3361488), (8, 2521116), (9, 2240992), (12, 1680744), (13, 1551456), (16, 1260558), (18, 1120496), (24, 840372), (26, 775728), (32, 630279), (36, 560248), (39, 517152), (48, 420186), (52, 387864), (72, 280124), (78, 258576), (96, 210093), (104, 193932), (117, 172384), (144, 140062), (156, 129288), (208, 96966), (234, 86192), (288, 70031), (312, 64644), (416, 48483), (468, 43096), (624, 32322), (936, 21548), (1248, 16161), (1872, 10774), (3744, 5387)]