20112040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38677}}^1$

素因数の和:38701

約数の個数: 32

約数和(自身を含む): 48734280

約数和(自身を除く): 28622240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 38677, 77354, 154708, 193385, 309416, 386770, 502801, 773540, 1005602, 1547080, 2011204, 2514005, 4022408, 5028010, 10056020, 20112040]

約数ペア:

[(1, 20112040), (2, 10056020), (4, 5028010), (5, 4022408), (8, 2514005), (10, 2011204), (13, 1547080), (20, 1005602), (26, 773540), (40, 502801), (52, 386770), (65, 309416), (104, 193385), (130, 154708), (260, 77354), (520, 38677)]