20215466500

素因数分解:

$2^2\times 5^3\times {\mathrm{311}}^1\times {\mathrm{130003}}^1$

素因数の和:130333

約数の個数: 48

約数和(自身を含む): 44292882816

約数和(自身を除く): 24077416316

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 311, 500, 622, 1244, 1555, 3110, 6220, 7775, 15550, 31100, 38875, 77750, 130003, 155500, 260006, 520012, 650015, 1300030, 2600060, 3250075, 6500150, 13000300, 16250375, 32500750, 40430933, 65001500, 80861866, 161723732, 202154665, 404309330, 808618660, 1010773325, 2021546650, 4043093300, 5053866625, 10107733250, 20215466500]

約数ペア:

[(1, 20215466500), (2, 10107733250), (4, 5053866625), (5, 4043093300), (10, 2021546650), (20, 1010773325), (25, 808618660), (50, 404309330), (100, 202154665), (125, 161723732), (250, 80861866), (311, 65001500), (500, 40430933), (622, 32500750), (1244, 16250375), (1555, 13000300), (3110, 6500150), (6220, 3250075), (7775, 2600060), (15550, 1300030), (31100, 650015), (38875, 520012), (77750, 260006), (130003, 155500)]