20154317220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2382307}}^1$

素因数の和:2382369

約数の個数: 72

約数和(自身を含む): 62435528064

約数和(自身を除く): 42281210844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2820, 4230, 8460, 2382307, 4764614, 7146921, 9529228, 11911535, 14293842, 21440763, 23823070, 28587684, 35734605, 42881526, 47646140, 71469210, 85763052, 107203815, 111968429, 142938420, 214407630, 223936858, 335905287, 428815260, 447873716, 559842145, 671810574, 1007715861, 1119684290, 1343621148, 1679526435, 2015431722, 2239368580, 3359052870, 4030863444, 5038579305, 6718105740, 10077158610, 20154317220]

約数ペア:

[(1, 20154317220), (2, 10077158610), (3, 6718105740), (4, 5038579305), (5, 4030863444), (6, 3359052870), (9, 2239368580), (10, 2015431722), (12, 1679526435), (15, 1343621148), (18, 1119684290), (20, 1007715861), (30, 671810574), (36, 559842145), (45, 447873716), (47, 428815260), (60, 335905287), (90, 223936858), (94, 214407630), (141, 142938420), (180, 111968429), (188, 107203815), (235, 85763052), (282, 71469210), (423, 47646140), (470, 42881526), (564, 35734605), (705, 28587684), (846, 23823070), (940, 21440763), (1410, 14293842), (1692, 11911535), (2115, 9529228), (2820, 7146921), (4230, 4764614), (8460, 2382307)]