20177777085

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1\times {\mathrm{80209}}^1$

素因数の和:80789

約数の個数: 32

約数和(自身を含む): 33387893760

約数和(自身を除く): 13210116675

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 541, 1623, 2705, 8115, 16771, 50313, 80209, 83855, 240627, 251565, 401045, 1203135, 2486479, 7459437, 12432395, 37297185, 43393069, 130179207, 216965345, 650896035, 1345185139, 4035555417, 6725925695, 20177777085]

約数ペア:

[(1, 20177777085), (3, 6725925695), (5, 4035555417), (15, 1345185139), (31, 650896035), (93, 216965345), (155, 130179207), (465, 43393069), (541, 37297185), (1623, 12432395), (2705, 7459437), (8115, 2486479), (16771, 1203135), (50313, 401045), (80209, 251565), (83855, 240627)]