20145698975

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{3119}}^1$

素因数の和:3368

約数の個数: 48

約数和(自身を含む): 26462592000

約数和(自身を除く): 6316893025

約数列:

[1, 5, 25, 29, 59, 145, 151, 295, 725, 755, 1475, 1711, 3119, 3775, 4379, 8555, 8909, 15595, 21895, 42775, 44545, 77975, 90451, 109475, 184021, 222725, 258361, 452255, 470969, 920105, 1291805, 2261275, 2354845, 4600525, 5336609, 6459025, 11774225, 13658101, 26683045, 27787171, 68290505, 133415225, 138935855, 341452525, 694679275, 805827959, 4029139795, 20145698975]

約数ペア:

[(1, 20145698975), (5, 4029139795), (25, 805827959), (29, 694679275), (59, 341452525), (145, 138935855), (151, 133415225), (295, 68290505), (725, 27787171), (755, 26683045), (1475, 13658101), (1711, 11774225), (3119, 6459025), (3775, 5336609), (4379, 4600525), (8555, 2354845), (8909, 2261275), (15595, 1291805), (21895, 920105), (42775, 470969), (44545, 452255), (77975, 258361), (90451, 222725), (109475, 184021)]