20538810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12011}}^1$

素因数の和:12043

約数の個数: 48

約数和(自身を含む): 56216160

約数和(自身を除く): 35677350

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 12011, 24022, 36033, 60055, 72066, 108099, 120110, 180165, 216198, 228209, 360330, 456418, 540495, 684627, 1080990, 1141045, 1369254, 2053881, 2282090, 3423135, 4107762, 6846270, 10269405, 20538810]

約数ペア:

[(1, 20538810), (2, 10269405), (3, 6846270), (5, 4107762), (6, 3423135), (9, 2282090), (10, 2053881), (15, 1369254), (18, 1141045), (19, 1080990), (30, 684627), (38, 540495), (45, 456418), (57, 360330), (90, 228209), (95, 216198), (114, 180165), (171, 120110), (190, 108099), (285, 72066), (342, 60055), (570, 36033), (855, 24022), (1710, 12011)]