20497392

素因数分解:

$2^4\times 3^2\times {\mathrm{137}}^1\times {\mathrm{1039}}^1$

素因数の和:1190

約数の個数: 60

約数和(自身を含む): 57838560

約数和(自身を除く): 37341168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 137, 144, 274, 411, 548, 822, 1039, 1096, 1233, 1644, 2078, 2192, 2466, 3117, 3288, 4156, 4932, 6234, 6576, 8312, 9351, 9864, 12468, 16624, 18702, 19728, 24936, 37404, 49872, 74808, 142343, 149616, 284686, 427029, 569372, 854058, 1138744, 1281087, 1708116, 2277488, 2562174, 3416232, 5124348, 6832464, 10248696, 20497392]

約数ペア:

[(1, 20497392), (2, 10248696), (3, 6832464), (4, 5124348), (6, 3416232), (8, 2562174), (9, 2277488), (12, 1708116), (16, 1281087), (18, 1138744), (24, 854058), (36, 569372), (48, 427029), (72, 284686), (137, 149616), (144, 142343), (274, 74808), (411, 49872), (548, 37404), (822, 24936), (1039, 19728), (1096, 18702), (1233, 16624), (1644, 12468), (2078, 9864), (2192, 9351), (2466, 8312), (3117, 6576), (3288, 6234), (4156, 4932)]