22118780

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{2399}}^1$

素因数の和:2869

約数の個数: 24

約数和(自身を含む): 46569600

約数和(自身を除く): 24450820

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 1844, 2305, 2399, 4610, 4798, 9220, 9596, 11995, 23990, 47980, 1105939, 2211878, 4423756, 5529695, 11059390, 22118780]

約数ペア:

[(1, 22118780), (2, 11059390), (4, 5529695), (5, 4423756), (10, 2211878), (20, 1105939), (461, 47980), (922, 23990), (1844, 11995), (2305, 9596), (2399, 9220), (4610, 4798)]