20117788

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{751}}^1$

素因数の和:973

約数の個数: 24

約数和(自身を含む): 36405824

約数和(自身を除く): 16288036

約数列:

[1, 2, 4, 37, 74, 148, 181, 362, 724, 751, 1502, 3004, 6697, 13394, 26788, 27787, 55574, 111148, 135931, 271862, 543724, 5029447, 10058894, 20117788]

約数ペア:

[(1, 20117788), (2, 10058894), (4, 5029447), (37, 543724), (74, 271862), (148, 135931), (181, 111148), (362, 55574), (724, 27787), (751, 26788), (1502, 13394), (3004, 6697)]