20886870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{607}}^1$

素因数の和:685

約数の個数: 64

約数和(自身を含む): 53231616

約数和(自身を除く): 32344746

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 37, 62, 74, 93, 111, 155, 185, 186, 222, 310, 370, 465, 555, 607, 930, 1110, 1147, 1214, 1821, 2294, 3035, 3441, 3642, 5735, 6070, 6882, 9105, 11470, 17205, 18210, 18817, 22459, 34410, 37634, 44918, 56451, 67377, 94085, 112295, 112902, 134754, 188170, 224590, 282255, 336885, 564510, 673770, 696229, 1392458, 2088687, 3481145, 4177374, 6962290, 10443435, 20886870]

約数ペア:

[(1, 20886870), (2, 10443435), (3, 6962290), (5, 4177374), (6, 3481145), (10, 2088687), (15, 1392458), (30, 696229), (31, 673770), (37, 564510), (62, 336885), (74, 282255), (93, 224590), (111, 188170), (155, 134754), (185, 112902), (186, 112295), (222, 94085), (310, 67377), (370, 56451), (465, 44918), (555, 37634), (607, 34410), (930, 22459), (1110, 18817), (1147, 18210), (1214, 17205), (1821, 11470), (2294, 9105), (3035, 6882), (3441, 6070), (3642, 5735)]