20687436

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1$

素因数の和:484

約数の個数: 144

約数和(自身を含む): 69189120

約数和(自身を除く): 48501684

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 17, 18, 21, 22, 28, 33, 34, 36, 42, 44, 51, 63, 66, 68, 77, 84, 99, 102, 119, 126, 132, 153, 154, 187, 198, 204, 231, 238, 252, 306, 308, 357, 374, 396, 439, 462, 476, 561, 612, 693, 714, 748, 878, 924, 1071, 1122, 1309, 1317, 1386, 1428, 1683, 1756, 2142, 2244, 2618, 2634, 2772, 3073, 3366, 3927, 3951, 4284, 4829, 5236, 5268, 6146, 6732, 7463, 7854, 7902, 9219, 9658, 11781, 12292, 14487, 14926, 15708, 15804, 18438, 19316, 22389, 23562, 27657, 28974, 29852, 33803, 36876, 43461, 44778, 47124, 52241, 55314, 57948, 67167, 67606, 82093, 86922, 89556, 101409, 104482, 110628, 134334, 135212, 156723, 164186, 173844, 202818, 208964, 246279, 268668, 304227, 313446, 328372, 405636, 470169, 492558, 574651, 608454, 626892, 738837, 940338, 985116, 1149302, 1216908, 1477674, 1723953, 1880676, 2298604, 2955348, 3447906, 5171859, 6895812, 10343718, 20687436]

約数ペア:

[(1, 20687436), (2, 10343718), (3, 6895812), (4, 5171859), (6, 3447906), (7, 2955348), (9, 2298604), (11, 1880676), (12, 1723953), (14, 1477674), (17, 1216908), (18, 1149302), (21, 985116), (22, 940338), (28, 738837), (33, 626892), (34, 608454), (36, 574651), (42, 492558), (44, 470169), (51, 405636), (63, 328372), (66, 313446), (68, 304227), (77, 268668), (84, 246279), (99, 208964), (102, 202818), (119, 173844), (126, 164186), (132, 156723), (153, 135212), (154, 134334), (187, 110628), (198, 104482), (204, 101409), (231, 89556), (238, 86922), (252, 82093), (306, 67606), (308, 67167), (357, 57948), (374, 55314), (396, 52241), (439, 47124), (462, 44778), (476, 43461), (561, 36876), (612, 33803), (693, 29852), (714, 28974), (748, 27657), (878, 23562), (924, 22389), (1071, 19316), (1122, 18438), (1309, 15804), (1317, 15708), (1386, 14926), (1428, 14487), (1683, 12292), (1756, 11781), (2142, 9658), (2244, 9219), (2618, 7902), (2634, 7854), (2772, 7463), (3073, 6732), (3366, 6146), (3927, 5268), (3951, 5236), (4284, 4829)]