20212830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1201}}^1$

素因数の和:1242

約数の個数: 96

約数和(自身を含む): 60753888

約数和(自身を除く): 40541058

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 17, 18, 22, 30, 33, 34, 45, 51, 55, 66, 85, 90, 99, 102, 110, 153, 165, 170, 187, 198, 255, 306, 330, 374, 495, 510, 561, 765, 935, 990, 1122, 1201, 1530, 1683, 1870, 2402, 2805, 3366, 3603, 5610, 6005, 7206, 8415, 10809, 12010, 13211, 16830, 18015, 20417, 21618, 26422, 36030, 39633, 40834, 54045, 61251, 66055, 79266, 102085, 108090, 118899, 122502, 132110, 183753, 198165, 204170, 224587, 237798, 306255, 367506, 396330, 449174, 594495, 612510, 673761, 918765, 1122935, 1188990, 1347522, 1837530, 2021283, 2245870, 3368805, 4042566, 6737610, 10106415, 20212830]

約数ペア:

[(1, 20212830), (2, 10106415), (3, 6737610), (5, 4042566), (6, 3368805), (9, 2245870), (10, 2021283), (11, 1837530), (15, 1347522), (17, 1188990), (18, 1122935), (22, 918765), (30, 673761), (33, 612510), (34, 594495), (45, 449174), (51, 396330), (55, 367506), (66, 306255), (85, 237798), (90, 224587), (99, 204170), (102, 198165), (110, 183753), (153, 132110), (165, 122502), (170, 118899), (187, 108090), (198, 102085), (255, 79266), (306, 66055), (330, 61251), (374, 54045), (495, 40834), (510, 39633), (561, 36030), (765, 26422), (935, 21618), (990, 20417), (1122, 18015), (1201, 16830), (1530, 13211), (1683, 12010), (1870, 10809), (2402, 8415), (2805, 7206), (3366, 6005), (3603, 5610)]