20450520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{56807}}^1$

素因数の和:56824

約数の個数: 48

約数和(自身を含む): 66465360

約数和(自身を除く): 46014840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 56807, 113614, 170421, 227228, 284035, 340842, 454456, 511263, 568070, 681684, 852105, 1022526, 1136140, 1363368, 1704210, 2045052, 2272280, 2556315, 3408420, 4090104, 5112630, 6816840, 10225260, 20450520]

約数ペア:

[(1, 20450520), (2, 10225260), (3, 6816840), (4, 5112630), (5, 4090104), (6, 3408420), (8, 2556315), (9, 2272280), (10, 2045052), (12, 1704210), (15, 1363368), (18, 1136140), (20, 1022526), (24, 852105), (30, 681684), (36, 568070), (40, 511263), (45, 454456), (60, 340842), (72, 284035), (90, 227228), (120, 170421), (180, 113614), (360, 56807)]