20623029

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 32931840

約数和(自身を除く): 12308811

約数列:

[1, 3, 7, 21, 31, 79, 93, 217, 237, 401, 553, 651, 1203, 1659, 2449, 2807, 7347, 8421, 12431, 17143, 31679, 37293, 51429, 87017, 95037, 221753, 261051, 665259, 982049, 2946147, 6874343, 20623029]

約数ペア:

[(1, 20623029), (3, 6874343), (7, 2946147), (21, 982049), (31, 665259), (79, 261051), (93, 221753), (217, 95037), (237, 87017), (401, 51429), (553, 37293), (651, 31679), (1203, 17143), (1659, 12431), (2449, 8421), (2807, 7347)]