20996834670

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{347}}^1\times {\mathrm{13721}}^1$

素因数の和:14095

約数の個数: 144

約数和(自身を含む): 63692364528

約数和(自身を除く): 42695529858

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 347, 441, 490, 630, 694, 735, 882, 1041, 1470, 1735, 2082, 2205, 2429, 3123, 3470, 4410, 4858, 5205, 6246, 7287, 10410, 12145, 13721, 14574, 15615, 17003, 21861, 24290, 27442, 31230, 34006, 36435, 41163, 43722, 51009, 68605, 72870, 82326, 85015, 96047, 102018, 109305, 123489, 137210, 153027, 170030, 192094, 205815, 218610, 246978, 255045, 288141, 306054, 411630, 480235, 510090, 576282, 617445, 672329, 765135, 864423, 960470, 1234890, 1344658, 1440705, 1530270, 1728846, 2016987, 2881410, 3361645, 4033974, 4322115, 4761187, 6050961, 6723290, 8644230, 9522374, 10084935, 12101922, 14283561, 20169870, 23805935, 28567122, 30254805, 33328309, 42850683, 47611870, 60509610, 66656618, 71417805, 85701366, 99984927, 142835610, 166641545, 199969854, 214253415, 233298163, 299954781, 333283090, 428506830, 466596326, 499924635, 599909562, 699894489, 999849270, 1166490815, 1399788978, 1499773905, 2099683467, 2332981630, 2999547810, 3499472445, 4199366934, 6998944890, 10498417335, 20996834670]

約数ペア:

[(1, 20996834670), (2, 10498417335), (3, 6998944890), (5, 4199366934), (6, 3499472445), (7, 2999547810), (9, 2332981630), (10, 2099683467), (14, 1499773905), (15, 1399788978), (18, 1166490815), (21, 999849270), (30, 699894489), (35, 599909562), (42, 499924635), (45, 466596326), (49, 428506830), (63, 333283090), (70, 299954781), (90, 233298163), (98, 214253415), (105, 199969854), (126, 166641545), (147, 142835610), (210, 99984927), (245, 85701366), (294, 71417805), (315, 66656618), (347, 60509610), (441, 47611870), (490, 42850683), (630, 33328309), (694, 30254805), (735, 28567122), (882, 23805935), (1041, 20169870), (1470, 14283561), (1735, 12101922), (2082, 10084935), (2205, 9522374), (2429, 8644230), (3123, 6723290), (3470, 6050961), (4410, 4761187), (4858, 4322115), (5205, 4033974), (6246, 3361645), (7287, 2881410), (10410, 2016987), (12145, 1728846), (13721, 1530270), (14574, 1440705), (15615, 1344658), (17003, 1234890), (21861, 960470), (24290, 864423), (27442, 765135), (31230, 672329), (34006, 617445), (36435, 576282), (41163, 510090), (43722, 480235), (51009, 411630), (68605, 306054), (72870, 288141), (82326, 255045), (85015, 246978), (96047, 218610), (102018, 205815), (109305, 192094), (123489, 170030), (137210, 153027)]