20802531351

素因数分解:

$3^1\times 7^1\times {\mathrm{4229}}^1\times {\mathrm{234239}}^1$

素因数の和:238478

約数の個数: 16

約数和(自身を含む): 31706726400

約数和(自身を除く): 10904195049

約数列:

[1, 3, 7, 21, 4229, 12687, 29603, 88809, 234239, 702717, 1639673, 4919019, 990596731, 2971790193, 6934177117, 20802531351]

約数ペア:

[(1, 20802531351), (3, 6934177117), (7, 2971790193), (21, 990596731), (4229, 4919019), (12687, 1639673), (29603, 702717), (88809, 234239)]