20921430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{697381}}^1$

素因数の和:697391

約数の個数: 16

約数和(自身を含む): 50211504

約数和(自身を除く): 29290074

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 697381, 1394762, 2092143, 3486905, 4184286, 6973810, 10460715, 20921430]

約数ペア:

[(1, 20921430), (2, 10460715), (3, 6973810), (5, 4184286), (6, 3486905), (10, 2092143), (15, 1394762), (30, 697381)]