20986590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2927}}^1$

素因数の和:3176

約数の個数: 32

約数和(自身を含む): 50595840

約数和(自身を除く): 29609250

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 239, 478, 717, 1195, 1434, 2390, 2927, 3585, 5854, 7170, 8781, 14635, 17562, 29270, 43905, 87810, 699553, 1399106, 2098659, 3497765, 4197318, 6995530, 10493295, 20986590]

約数ペア:

[(1, 20986590), (2, 10493295), (3, 6995530), (5, 4197318), (6, 3497765), (10, 2098659), (15, 1399106), (30, 699553), (239, 87810), (478, 43905), (717, 29270), (1195, 17562), (1434, 14635), (2390, 8781), (2927, 7170), (3585, 5854)]