20988930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{699631}}^1$

素因数の和:699641

約数の個数: 16

約数和(自身を含む): 50373504

約数和(自身を除く): 29384574

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 699631, 1399262, 2098893, 3498155, 4197786, 6996310, 10494465, 20988930]

約数ペア:

[(1, 20988930), (2, 10494465), (3, 6996310), (5, 4197786), (6, 3498155), (10, 2098893), (15, 1399262), (30, 699631)]