221474020

素因数分解:

$2^2\times 5^1\times {\mathrm{1753}}^1\times {\mathrm{6317}}^1$

素因数の和:8079

約数の個数: 24

約数和(自身を含む): 465434424

約数和(自身を除く): 243960404

約数列:

[1, 2, 4, 5, 10, 20, 1753, 3506, 6317, 7012, 8765, 12634, 17530, 25268, 31585, 35060, 63170, 126340, 11073701, 22147402, 44294804, 55368505, 110737010, 221474020]

約数ペア:

[(1, 221474020), (2, 110737010), (4, 55368505), (5, 44294804), (10, 22147402), (20, 11073701), (1753, 126340), (3506, 63170), (6317, 35060), (7012, 31585), (8765, 25268), (12634, 17530)]