17480820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{41621}}^1$

素因数の和:41640

約数の個数: 48

約数和(自身を含む): 55939968

約数和(自身を除く): 38459148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 41621, 83242, 124863, 166484, 208105, 249726, 291347, 416210, 499452, 582694, 624315, 832420, 874041, 1165388, 1248630, 1456735, 1748082, 2497260, 2913470, 3496164, 4370205, 5826940, 8740410, 17480820]

約数ペア:

[(1, 17480820), (2, 8740410), (3, 5826940), (4, 4370205), (5, 3496164), (6, 2913470), (7, 2497260), (10, 1748082), (12, 1456735), (14, 1248630), (15, 1165388), (20, 874041), (21, 832420), (28, 624315), (30, 582694), (35, 499452), (42, 416210), (60, 291347), (70, 249726), (84, 208105), (105, 166484), (140, 124863), (210, 83242), (420, 41621)]