20921190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{697373}}^1$

素因数の和:697383

約数の個数: 16

約数和(自身を含む): 50210928

約数和(自身を除く): 29289738

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 697373, 1394746, 2092119, 3486865, 4184238, 6973730, 10460595, 20921190]

約数ペア:

[(1, 20921190), (2, 10460595), (3, 6973730), (5, 4184238), (6, 3486865), (10, 2092119), (15, 1394746), (30, 697373)]