20906295

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 34728960

約数和(自身を除く): 13822665

約数列:

[1, 3, 5, 15, 37, 111, 139, 185, 271, 417, 555, 695, 813, 1355, 2085, 4065, 5143, 10027, 15429, 25715, 30081, 37669, 50135, 77145, 113007, 150405, 188345, 565035, 1393753, 4181259, 6968765, 20906295]

約数ペア:

[(1, 20906295), (3, 6968765), (5, 4181259), (15, 1393753), (37, 565035), (111, 188345), (139, 150405), (185, 113007), (271, 77145), (417, 50135), (555, 37669), (695, 30081), (813, 25715), (1355, 15429), (2085, 10027), (4065, 5143)]