20501850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{4409}}^1$

素因数の和:4455

約数の個数: 48

約数和(自身を含む): 52496640

約数和(自身を除く): 31994790

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 31, 50, 62, 75, 93, 150, 155, 186, 310, 465, 775, 930, 1550, 2325, 4409, 4650, 8818, 13227, 22045, 26454, 44090, 66135, 110225, 132270, 136679, 220450, 273358, 330675, 410037, 661350, 683395, 820074, 1366790, 2050185, 3416975, 4100370, 6833950, 10250925, 20501850]

約数ペア:

[(1, 20501850), (2, 10250925), (3, 6833950), (5, 4100370), (6, 3416975), (10, 2050185), (15, 1366790), (25, 820074), (30, 683395), (31, 661350), (50, 410037), (62, 330675), (75, 273358), (93, 220450), (150, 136679), (155, 132270), (186, 110225), (310, 66135), (465, 44090), (775, 26454), (930, 22045), (1550, 13227), (2325, 8818), (4409, 4650)]