20834008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1229}}^1$

素因数の和:1411

約数の個数: 32

約数和(自身を含む): 42361200

約数和(自身を除く): 21527192

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 163, 326, 652, 1229, 1304, 2119, 2458, 4238, 4916, 8476, 9832, 15977, 16952, 31954, 63908, 127816, 200327, 400654, 801308, 1602616, 2604251, 5208502, 10417004, 20834008]

約数ペア:

[(1, 20834008), (2, 10417004), (4, 5208502), (8, 2604251), (13, 1602616), (26, 801308), (52, 400654), (104, 200327), (163, 127816), (326, 63908), (652, 31954), (1229, 16952), (1304, 15977), (2119, 9832), (2458, 8476), (4238, 4916)]