20866398

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{4919}}^1$

素因数の和:5032

約数の個数: 32

約数和(自身を含む): 48176640

約数和(自身を除く): 27310242

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 101, 202, 303, 606, 707, 1414, 2121, 4242, 4919, 9838, 14757, 29514, 34433, 68866, 103299, 206598, 496819, 993638, 1490457, 2980914, 3477733, 6955466, 10433199, 20866398]

約数ペア:

[(1, 20866398), (2, 10433199), (3, 6955466), (6, 3477733), (7, 2980914), (14, 1490457), (21, 993638), (42, 496819), (101, 206598), (202, 103299), (303, 68866), (606, 34433), (707, 29514), (1414, 14757), (2121, 9838), (4242, 4919)]