22119820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{18131}}^1$

素因数の和:18201

約数の個数: 24

約数和(自身を含む): 47215728

約数和(自身を除く): 25095908

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 18131, 36262, 72524, 90655, 181310, 362620, 1105991, 2211982, 4423964, 5529955, 11059910, 22119820]

約数ペア:

[(1, 22119820), (2, 11059910), (4, 5529955), (5, 4423964), (10, 2211982), (20, 1105991), (61, 362620), (122, 181310), (244, 90655), (305, 72524), (610, 36262), (1220, 18131)]