20771830

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1747}}^1$

素因数の和:1824

約数の個数: 32

約数和(自身を含む): 39644640

約数和(自身を除く): 18872810

約数列:

[1, 2, 5, 10, 29, 41, 58, 82, 145, 205, 290, 410, 1189, 1747, 2378, 3494, 5945, 8735, 11890, 17470, 50663, 71627, 101326, 143254, 253315, 358135, 506630, 716270, 2077183, 4154366, 10385915, 20771830]

約数ペア:

[(1, 20771830), (2, 10385915), (5, 4154366), (10, 2077183), (29, 716270), (41, 506630), (58, 358135), (82, 253315), (145, 143254), (205, 101326), (290, 71627), (410, 50663), (1189, 17470), (1747, 11890), (2378, 8735), (3494, 5945)]