20383150

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:277

約数の個数: 48

約数和(自身を含む): 39716208

約数和(自身を除く): 19333058

約数列:

[1, 2, 5, 10, 25, 41, 50, 61, 82, 122, 163, 205, 305, 326, 410, 610, 815, 1025, 1525, 1630, 2050, 2501, 3050, 4075, 5002, 6683, 8150, 9943, 12505, 13366, 19886, 25010, 33415, 49715, 62525, 66830, 99430, 125050, 167075, 248575, 334150, 407663, 497150, 815326, 2038315, 4076630, 10191575, 20383150]

約数ペア:

[(1, 20383150), (2, 10191575), (5, 4076630), (10, 2038315), (25, 815326), (41, 497150), (50, 407663), (61, 334150), (82, 248575), (122, 167075), (163, 125050), (205, 99430), (305, 66830), (326, 62525), (410, 49715), (610, 33415), (815, 25010), (1025, 19886), (1525, 13366), (1630, 12505), (2050, 9943), (2501, 8150), (3050, 6683), (4075, 5002)]