16946260

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{2113}}^1$

素因数の和:2523

約数の個数: 24

約数和(自身を含む): 35692776

約数和(自身を除く): 18746516

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 2113, 4010, 4226, 8020, 8452, 10565, 21130, 42260, 847313, 1694626, 3389252, 4236565, 8473130, 16946260]

約数ペア:

[(1, 16946260), (2, 8473130), (4, 4236565), (5, 3389252), (10, 1694626), (20, 847313), (401, 42260), (802, 21130), (1604, 10565), (2005, 8452), (2113, 8020), (4010, 4226)]