20784840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{173207}}^1$

素因数の和:173221

約数の個数: 32

約数和(自身を含む): 62354880

約数和(自身を除く): 41570040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 173207, 346414, 519621, 692828, 866035, 1039242, 1385656, 1732070, 2078484, 2598105, 3464140, 4156968, 5196210, 6928280, 10392420, 20784840]

約数ペア:

[(1, 20784840), (2, 10392420), (3, 6928280), (4, 5196210), (5, 4156968), (6, 3464140), (8, 2598105), (10, 2078484), (12, 1732070), (15, 1385656), (20, 1039242), (24, 866035), (30, 692828), (40, 519621), (60, 346414), (120, 173207)]