20551654

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{1427}}^1$

素因数の和:1827

約数の個数: 16

約数和(自身を含む): 32558400

約数和(自身を除く): 12006746

約数列:

[1, 2, 19, 38, 379, 758, 1427, 2854, 7201, 14402, 27113, 54226, 540833, 1081666, 10275827, 20551654]

約数ペア:

[(1, 20551654), (2, 10275827), (19, 1081666), (38, 540833), (379, 54226), (758, 27113), (1427, 14402), (2854, 7201)]