20486460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{557}}^1\times {\mathrm{613}}^1$

素因数の和:1182

約数の個数: 48

約数和(自身を含む): 57558816

約数和(自身を除く): 37072356

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 557, 613, 1114, 1226, 1671, 1839, 2228, 2452, 2785, 3065, 3342, 3678, 5570, 6130, 6684, 7356, 8355, 9195, 11140, 12260, 16710, 18390, 33420, 36780, 341441, 682882, 1024323, 1365764, 1707205, 2048646, 3414410, 4097292, 5121615, 6828820, 10243230, 20486460]

約数ペア:

[(1, 20486460), (2, 10243230), (3, 6828820), (4, 5121615), (5, 4097292), (6, 3414410), (10, 2048646), (12, 1707205), (15, 1365764), (20, 1024323), (30, 682882), (60, 341441), (557, 36780), (613, 33420), (1114, 18390), (1226, 16710), (1671, 12260), (1839, 11140), (2228, 9195), (2452, 8355), (2785, 7356), (3065, 6684), (3342, 6130), (3678, 5570)]