20552912

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:387

約数の個数: 40

約数和(自身を含む): 41164032

約数和(自身を除く): 20611120

約数列:

[1, 2, 4, 8, 16, 47, 94, 151, 181, 188, 302, 362, 376, 604, 724, 752, 1208, 1448, 2416, 2896, 7097, 8507, 14194, 17014, 27331, 28388, 34028, 54662, 56776, 68056, 109324, 113552, 136112, 218648, 437296, 1284557, 2569114, 5138228, 10276456, 20552912]

約数ペア:

[(1, 20552912), (2, 10276456), (4, 5138228), (8, 2569114), (16, 1284557), (47, 437296), (94, 218648), (151, 136112), (181, 113552), (188, 109324), (302, 68056), (362, 56776), (376, 54662), (604, 34028), (724, 28388), (752, 27331), (1208, 17014), (1448, 14194), (2416, 8507), (2896, 7097)]