20176786565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3767}}^1\times {\mathrm{4337}}^1$

素因数の和:8141

約数の個数: 32

約数和(自身を含む): 27460581120

約数和(自身を除く): 7283794555

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 3767, 4337, 18835, 21685, 48971, 56381, 71573, 82403, 244855, 281905, 357865, 412015, 930449, 1071239, 4652245, 5356195, 16337479, 81687395, 212387227, 310412101, 1061936135, 1552060505, 4035357313, 20176786565]

約数ペア:

[(1, 20176786565), (5, 4035357313), (13, 1552060505), (19, 1061936135), (65, 310412101), (95, 212387227), (247, 81687395), (1235, 16337479), (3767, 5356195), (4337, 4652245), (18835, 1071239), (21685, 930449), (48971, 412015), (56381, 357865), (71573, 281905), (82403, 244855)]