20452809

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{12791}}^1$

素因数の和:12848

約数の個数: 16

約数和(自身を含む): 30086784

約数和(自身を除く): 9633975

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 12791, 38373, 166283, 498849, 524431, 1573293, 6817603, 20452809]

約数ペア:

[(1, 20452809), (3, 6817603), (13, 1573293), (39, 524431), (41, 498849), (123, 166283), (533, 38373), (1599, 12791)]