20445558

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{25621}}^1$

素因数の和:25652

約数の個数: 32

約数和(自身を含む): 49194240

約数和(自身を除く): 28748682

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 25621, 51242, 76863, 153726, 179347, 358694, 486799, 538041, 973598, 1076082, 1460397, 2920794, 3407593, 6815186, 10222779, 20445558]

約数ペア:

[(1, 20445558), (2, 10222779), (3, 6815186), (6, 3407593), (7, 2920794), (14, 1460397), (19, 1076082), (21, 973598), (38, 538041), (42, 486799), (57, 358694), (114, 179347), (133, 153726), (266, 76863), (399, 51242), (798, 25621)]