20792441240

素因数分解:

$2^3\times 5^1\times {\mathrm{2789}}^1\times {\mathrm{186379}}^1$

素因数の和:189179

約数の個数: 32

約数和(自身を含む): 46800018000

約数和(自身を除く): 26007576760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2789, 5578, 11156, 13945, 22312, 27890, 55780, 111560, 186379, 372758, 745516, 931895, 1491032, 1863790, 3727580, 7455160, 519811031, 1039622062, 2079244124, 2599055155, 4158488248, 5198110310, 10396220620, 20792441240]

約数ペア:

[(1, 20792441240), (2, 10396220620), (4, 5198110310), (5, 4158488248), (8, 2599055155), (10, 2079244124), (20, 1039622062), (40, 519811031), (2789, 7455160), (5578, 3727580), (11156, 1863790), (13945, 1491032), (22312, 931895), (27890, 745516), (55780, 372758), (111560, 186379)]