20844408

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{66809}}^1$

素因数の和:66831

約数の個数: 32

約数和(自身を含む): 56120400

約数和(自身を除く): 35275992

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 66809, 133618, 200427, 267236, 400854, 534472, 801708, 868517, 1603416, 1737034, 2605551, 3474068, 5211102, 6948136, 10422204, 20844408]

約数ペア:

[(1, 20844408), (2, 10422204), (3, 6948136), (4, 5211102), (6, 3474068), (8, 2605551), (12, 1737034), (13, 1603416), (24, 868517), (26, 801708), (39, 534472), (52, 400854), (78, 267236), (104, 200427), (156, 133618), (312, 66809)]