20896366860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1117}}^1\times {\mathrm{2417}}^1$

素因数の和:3592

約数の個数: 144

約数和(自身を含む): 64944655776

約数和(自身を除く): 44048288916

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1117, 1290, 1548, 1935, 2234, 2417, 2580, 3351, 3870, 4468, 4834, 5585, 6702, 7251, 7740, 9668, 10053, 11170, 12085, 13404, 14502, 16755, 20106, 21753, 22340, 24170, 29004, 33510, 36255, 40212, 43506, 48031, 48340, 50265, 67020, 72510, 87012, 96062, 100530, 103931, 108765, 144093, 145020, 192124, 201060, 207862, 217530, 240155, 288186, 311793, 415724, 432279, 435060, 480310, 519655, 576372, 623586, 720465, 864558, 935379, 960620, 1039310, 1247172, 1440930, 1558965, 1729116, 1870758, 2078620, 2161395, 2699789, 2881860, 3117930, 3741516, 4322790, 4676895, 5399578, 6235860, 8099367, 8645580, 9353790, 10799156, 13498945, 16198734, 18707580, 24298101, 26997890, 32397468, 40496835, 48596202, 53995780, 80993670, 97192404, 116090927, 121490505, 161987340, 232181854, 242981010, 348272781, 464363708, 485962020, 580454635, 696545562, 1044818343, 1160909270, 1393091124, 1741363905, 2089636686, 2321818540, 3482727810, 4179273372, 5224091715, 6965455620, 10448183430, 20896366860]

約数ペア:

[(1, 20896366860), (2, 10448183430), (3, 6965455620), (4, 5224091715), (5, 4179273372), (6, 3482727810), (9, 2321818540), (10, 2089636686), (12, 1741363905), (15, 1393091124), (18, 1160909270), (20, 1044818343), (30, 696545562), (36, 580454635), (43, 485962020), (45, 464363708), (60, 348272781), (86, 242981010), (90, 232181854), (129, 161987340), (172, 121490505), (180, 116090927), (215, 97192404), (258, 80993670), (387, 53995780), (430, 48596202), (516, 40496835), (645, 32397468), (774, 26997890), (860, 24298101), (1117, 18707580), (1290, 16198734), (1548, 13498945), (1935, 10799156), (2234, 9353790), (2417, 8645580), (2580, 8099367), (3351, 6235860), (3870, 5399578), (4468, 4676895), (4834, 4322790), (5585, 3741516), (6702, 3117930), (7251, 2881860), (7740, 2699789), (9668, 2161395), (10053, 2078620), (11170, 1870758), (12085, 1729116), (13404, 1558965), (14502, 1440930), (16755, 1247172), (20106, 1039310), (21753, 960620), (22340, 935379), (24170, 864558), (29004, 720465), (33510, 623586), (36255, 576372), (40212, 519655), (43506, 480310), (48031, 435060), (48340, 432279), (50265, 415724), (67020, 311793), (72510, 288186), (87012, 240155), (96062, 217530), (100530, 207862), (103931, 201060), (108765, 192124), (144093, 145020)]