20156810020

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{617}}^1\times {\mathrm{5813}}^1$

素因数の和:6720

約数の個数: 48

約数和(自身を含む): 42556107888

約数和(自身を除く): 22399297868

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 617, 1124, 1234, 1405, 2468, 2810, 3085, 5620, 5813, 6170, 11626, 12340, 23252, 29065, 58130, 116260, 173377, 346754, 693508, 866885, 1633453, 1733770, 3266906, 3467540, 3586621, 6533812, 7173242, 8167265, 14346484, 16334530, 17933105, 32669060, 35866210, 71732420, 1007840501, 2015681002, 4031362004, 5039202505, 10078405010, 20156810020]

約数ペア:

[(1, 20156810020), (2, 10078405010), (4, 5039202505), (5, 4031362004), (10, 2015681002), (20, 1007840501), (281, 71732420), (562, 35866210), (617, 32669060), (1124, 17933105), (1234, 16334530), (1405, 14346484), (2468, 8167265), (2810, 7173242), (3085, 6533812), (5620, 3586621), (5813, 3467540), (6170, 3266906), (11626, 1733770), (12340, 1633453), (23252, 866885), (29065, 693508), (58130, 346754), (116260, 173377)]