20300145

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2029}}^1$

素因数の和:2089

約数の個数: 32

約数和(自身を含む): 35078400

約数和(自身を除く): 14778255

約数列:

[1, 3, 5, 15, 23, 29, 69, 87, 115, 145, 345, 435, 667, 2001, 2029, 3335, 6087, 10005, 10145, 30435, 46667, 58841, 140001, 176523, 233335, 294205, 700005, 882615, 1353343, 4060029, 6766715, 20300145]

約数ペア:

[(1, 20300145), (3, 6766715), (5, 4060029), (15, 1353343), (23, 882615), (29, 700005), (69, 294205), (87, 233335), (115, 176523), (145, 140001), (345, 58841), (435, 46667), (667, 30435), (2001, 10145), (2029, 10005), (3335, 6087)]