20101263

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2539}}^1$

素因数の和:2591

約数の個数: 32

約数和(自身を含む): 34137600

約数和(自身を除く): 14036337

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 1131, 2539, 2639, 7617, 7917, 17773, 33007, 53319, 73631, 99021, 220893, 231049, 515417, 693147, 957203, 1546251, 2871609, 6700421, 20101263]

約数ペア:

[(1, 20101263), (3, 6700421), (7, 2871609), (13, 1546251), (21, 957203), (29, 693147), (39, 515417), (87, 231049), (91, 220893), (203, 99021), (273, 73631), (377, 53319), (609, 33007), (1131, 17773), (2539, 7917), (2639, 7617)]