20159680325

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{506843}}^1$

素因数の和:506933

約数の個数: 24

約数和(自身を含む): 26270738208

約数和(自身を除く): 6111057883

約数列:

[1, 5, 25, 37, 43, 185, 215, 925, 1075, 1591, 7955, 39775, 506843, 2534215, 12671075, 18753191, 21794249, 93765955, 108971245, 468829775, 544856225, 806387213, 4031936065, 20159680325]

約数ペア:

[(1, 20159680325), (5, 4031936065), (25, 806387213), (37, 544856225), (43, 468829775), (185, 108971245), (215, 93765955), (925, 21794249), (1075, 18753191), (1591, 12671075), (7955, 2534215), (39775, 506843)]