20898708

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1291}}^1$

素因数の和:1388

約数の個数: 48

約数和(自身を含む): 52093440

約数和(自身を除く): 31194732

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 71, 76, 114, 142, 213, 228, 284, 426, 852, 1291, 1349, 2582, 2698, 3873, 4047, 5164, 5396, 7746, 8094, 15492, 16188, 24529, 49058, 73587, 91661, 98116, 147174, 183322, 274983, 294348, 366644, 549966, 1099932, 1741559, 3483118, 5224677, 6966236, 10449354, 20898708]

約数ペア:

[(1, 20898708), (2, 10449354), (3, 6966236), (4, 5224677), (6, 3483118), (12, 1741559), (19, 1099932), (38, 549966), (57, 366644), (71, 294348), (76, 274983), (114, 183322), (142, 147174), (213, 98116), (228, 91661), (284, 73587), (426, 49058), (852, 24529), (1291, 16188), (1349, 15492), (2582, 8094), (2698, 7746), (3873, 5396), (4047, 5164)]