20153973140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1301}}^1\times {\mathrm{110651}}^1$

素因数の和:111968

約数の個数: 48

約数和(自身を含む): 48407151744

約数和(自身を除く): 28253178604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1301, 2602, 5204, 6505, 9107, 13010, 18214, 26020, 36428, 45535, 91070, 110651, 182140, 221302, 442604, 553255, 774557, 1106510, 1549114, 2213020, 3098228, 3872785, 7745570, 15491140, 143956951, 287913902, 575827804, 719784755, 1007698657, 1439569510, 2015397314, 2879139020, 4030794628, 5038493285, 10076986570, 20153973140]

約数ペア:

[(1, 20153973140), (2, 10076986570), (4, 5038493285), (5, 4030794628), (7, 2879139020), (10, 2015397314), (14, 1439569510), (20, 1007698657), (28, 719784755), (35, 575827804), (70, 287913902), (140, 143956951), (1301, 15491140), (2602, 7745570), (5204, 3872785), (6505, 3098228), (9107, 2213020), (13010, 1549114), (18214, 1106510), (26020, 774557), (36428, 553255), (45535, 442604), (91070, 221302), (110651, 182140)]