20606965

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 27578880

約数和(自身を除く): 6971915

約数列:

[1, 5, 23, 29, 37, 115, 145, 167, 185, 667, 835, 851, 1073, 3335, 3841, 4255, 4843, 5365, 6179, 19205, 24215, 24679, 30895, 111389, 123395, 142117, 179191, 556945, 710585, 895955, 4121393, 20606965]

約数ペア:

[(1, 20606965), (5, 4121393), (23, 895955), (29, 710585), (37, 556945), (115, 179191), (145, 142117), (167, 123395), (185, 111389), (667, 30895), (835, 24679), (851, 24215), (1073, 19205), (3335, 6179), (3841, 5365), (4255, 4843)]