20272395

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{727}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 38368512

約数和(自身を除く): 18096117

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 169, 195, 429, 507, 715, 727, 845, 1859, 2145, 2181, 2535, 3635, 5577, 7997, 9295, 9451, 10905, 23991, 27885, 28353, 39985, 47255, 103961, 119955, 122863, 141765, 311883, 368589, 519805, 614315, 1351493, 1559415, 1842945, 4054479, 6757465, 20272395]

約数ペア:

[(1, 20272395), (3, 6757465), (5, 4054479), (11, 1842945), (13, 1559415), (15, 1351493), (33, 614315), (39, 519805), (55, 368589), (65, 311883), (143, 141765), (165, 122863), (169, 119955), (195, 103961), (429, 47255), (507, 39985), (715, 28353), (727, 27885), (845, 23991), (1859, 10905), (2145, 9451), (2181, 9295), (2535, 7997), (3635, 5577)]