20877610

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3917}}^1$

素因数の和:3978

約数の個数: 32

約数和(自身を含む): 41468112

約数和(自身を除く): 20590502

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 410, 533, 1066, 2665, 3917, 5330, 7834, 19585, 39170, 50921, 101842, 160597, 254605, 321194, 509210, 802985, 1605970, 2087761, 4175522, 10438805, 20877610]

約数ペア:

[(1, 20877610), (2, 10438805), (5, 4175522), (10, 2087761), (13, 1605970), (26, 802985), (41, 509210), (65, 321194), (82, 254605), (130, 160597), (205, 101842), (410, 50921), (533, 39170), (1066, 19585), (2665, 7834), (3917, 5330)]