20346893245

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{256889}}^1$

素因数の和:257005

約数の個数: 32

約数和(自身を含む): 29199144960

約数和(自身を除く): 8852251715

約数列:

[1, 5, 7, 31, 35, 73, 155, 217, 365, 511, 1085, 2263, 2555, 11315, 15841, 79205, 256889, 1284445, 1798223, 7963559, 8991115, 18752897, 39817795, 55744913, 93764485, 131270279, 278724565, 581339807, 656351395, 2906699035, 4069378649, 20346893245]

約数ペア:

[(1, 20346893245), (5, 4069378649), (7, 2906699035), (31, 656351395), (35, 581339807), (73, 278724565), (155, 131270279), (217, 93764485), (365, 55744913), (511, 39817795), (1085, 18752897), (2263, 8991115), (2555, 7963559), (11315, 1798223), (15841, 1284445), (79205, 256889)]