20133945

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 38019072

約数和(自身を除く): 17885127

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 127, 195, 271, 381, 585, 635, 813, 1143, 1355, 1651, 1905, 2439, 3523, 4065, 4953, 5715, 8255, 10569, 12195, 14859, 17615, 24765, 31707, 34417, 52845, 74295, 103251, 158535, 172085, 309753, 447421, 516255, 1342263, 1548765, 2237105, 4026789, 6711315, 20133945]

約数ペア:

[(1, 20133945), (3, 6711315), (5, 4026789), (9, 2237105), (13, 1548765), (15, 1342263), (39, 516255), (45, 447421), (65, 309753), (117, 172085), (127, 158535), (195, 103251), (271, 74295), (381, 52845), (585, 34417), (635, 31707), (813, 24765), (1143, 17615), (1355, 14859), (1651, 12195), (1905, 10569), (2439, 8255), (3523, 5715), (4065, 4953)]