20952900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{751}}^1$

素因数の和:802

約数の個数: 108

約数和(自身を含む): 67884544

約数和(自身を除く): 46931644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 31, 36, 45, 50, 60, 62, 75, 90, 93, 100, 124, 150, 155, 180, 186, 225, 279, 300, 310, 372, 450, 465, 558, 620, 751, 775, 900, 930, 1116, 1395, 1502, 1550, 1860, 2253, 2325, 2790, 3004, 3100, 3755, 4506, 4650, 5580, 6759, 6975, 7510, 9012, 9300, 11265, 13518, 13950, 15020, 18775, 22530, 23281, 27036, 27900, 33795, 37550, 45060, 46562, 56325, 67590, 69843, 75100, 93124, 112650, 116405, 135180, 139686, 168975, 209529, 225300, 232810, 279372, 337950, 349215, 419058, 465620, 582025, 675900, 698430, 838116, 1047645, 1164050, 1396860, 1746075, 2095290, 2328100, 3492150, 4190580, 5238225, 6984300, 10476450, 20952900]

約数ペア:

[(1, 20952900), (2, 10476450), (3, 6984300), (4, 5238225), (5, 4190580), (6, 3492150), (9, 2328100), (10, 2095290), (12, 1746075), (15, 1396860), (18, 1164050), (20, 1047645), (25, 838116), (30, 698430), (31, 675900), (36, 582025), (45, 465620), (50, 419058), (60, 349215), (62, 337950), (75, 279372), (90, 232810), (93, 225300), (100, 209529), (124, 168975), (150, 139686), (155, 135180), (180, 116405), (186, 112650), (225, 93124), (279, 75100), (300, 69843), (310, 67590), (372, 56325), (450, 46562), (465, 45060), (558, 37550), (620, 33795), (751, 27900), (775, 27036), (900, 23281), (930, 22530), (1116, 18775), (1395, 15020), (1502, 13950), (1550, 13518), (1860, 11265), (2253, 9300), (2325, 9012), (2790, 7510), (3004, 6975), (3100, 6759), (3755, 5580), (4506, 4650)]