20702550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{12547}}^1$

素因数の和:12573

約数の個数: 48

約数和(自身を含む): 56014272

約数和(自身を除く): 35311722

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 150, 165, 275, 330, 550, 825, 1650, 12547, 25094, 37641, 62735, 75282, 125470, 138017, 188205, 276034, 313675, 376410, 414051, 627350, 690085, 828102, 941025, 1380170, 1882050, 2070255, 3450425, 4140510, 6900850, 10351275, 20702550]

約数ペア:

[(1, 20702550), (2, 10351275), (3, 6900850), (5, 4140510), (6, 3450425), (10, 2070255), (11, 1882050), (15, 1380170), (22, 941025), (25, 828102), (30, 690085), (33, 627350), (50, 414051), (55, 376410), (66, 313675), (75, 276034), (110, 188205), (150, 138017), (165, 125470), (275, 75282), (330, 62735), (550, 37641), (825, 25094), (1650, 12547)]