19957920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{41579}}^1$

素因数の和:41597

約数の個数: 48

約数和(自身を含む): 62868960

約数和(自身を除く): 42911040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 41579, 83158, 124737, 166316, 207895, 249474, 332632, 415790, 498948, 623685, 665264, 831580, 997896, 1247370, 1330528, 1663160, 1995792, 2494740, 3326320, 3991584, 4989480, 6652640, 9978960, 19957920]

約数ペア:

[(1, 19957920), (2, 9978960), (3, 6652640), (4, 4989480), (5, 3991584), (6, 3326320), (8, 2494740), (10, 1995792), (12, 1663160), (15, 1330528), (16, 1247370), (20, 997896), (24, 831580), (30, 665264), (32, 623685), (40, 498948), (48, 415790), (60, 332632), (80, 249474), (96, 207895), (120, 166316), (160, 124737), (240, 83158), (480, 41579)]