20197576

素因数分解:

$2^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{3571}}^1$

素因数の和:3685

約数の個数: 32

約数和(自身を含む): 43721280

約数和(自身を除く): 23523704

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 101, 202, 404, 707, 808, 1414, 2828, 3571, 5656, 7142, 14284, 24997, 28568, 49994, 99988, 199976, 360671, 721342, 1442684, 2524697, 2885368, 5049394, 10098788, 20197576]

約数ペア:

[(1, 20197576), (2, 10098788), (4, 5049394), (7, 2885368), (8, 2524697), (14, 1442684), (28, 721342), (56, 360671), (101, 199976), (202, 99988), (404, 49994), (707, 28568), (808, 24997), (1414, 14284), (2828, 7142), (3571, 5656)]