20999982

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{317}}^1$

素因数の和:564

約数の個数: 32

約数和(自身を含む): 43059744

約数和(自身を除く): 22059762

約数列:

[1, 2, 3, 6, 61, 122, 181, 183, 317, 362, 366, 543, 634, 951, 1086, 1902, 11041, 19337, 22082, 33123, 38674, 57377, 58011, 66246, 114754, 116022, 172131, 344262, 3499997, 6999994, 10499991, 20999982]

約数ペア:

[(1, 20999982), (2, 10499991), (3, 6999994), (6, 3499997), (61, 344262), (122, 172131), (181, 116022), (183, 114754), (317, 66246), (362, 58011), (366, 57377), (543, 38674), (634, 33123), (951, 22082), (1086, 19337), (1902, 11041)]