20492925

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 36336960

約数和(自身を除く): 15844035

約数列:

[1, 3, 5, 15, 19, 25, 57, 73, 75, 95, 197, 219, 285, 365, 475, 591, 985, 1095, 1387, 1425, 1825, 2955, 3743, 4161, 4925, 5475, 6935, 11229, 14381, 14775, 18715, 20805, 34675, 43143, 56145, 71905, 93575, 104025, 215715, 273239, 280725, 359525, 819717, 1078575, 1366195, 4098585, 6830975, 20492925]

約数ペア:

[(1, 20492925), (3, 6830975), (5, 4098585), (15, 1366195), (19, 1078575), (25, 819717), (57, 359525), (73, 280725), (75, 273239), (95, 215715), (197, 104025), (219, 93575), (285, 71905), (365, 56145), (475, 43143), (591, 34675), (985, 20805), (1095, 18715), (1387, 14775), (1425, 14381), (1825, 11229), (2955, 6935), (3743, 5475), (4161, 4925)]