20228974024

素因数分解:

$2^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1\times {\mathrm{15139}}^1$

素因数の和:15482

約数の個数: 64

約数和(自身を含む): 43952025600

約数和(自身を除く): 23723051576

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 107, 214, 223, 428, 446, 749, 856, 892, 1498, 1561, 1784, 2996, 3122, 5992, 6244, 12488, 15139, 23861, 30278, 47722, 60556, 95444, 105973, 121112, 167027, 190888, 211946, 334054, 423892, 668108, 847784, 1336216, 1619873, 3239746, 3375997, 6479492, 6751994, 11339111, 12958984, 13503988, 22678222, 23631979, 27007976, 45356444, 47263958, 90712888, 94527916, 189055832, 361231679, 722463358, 1444926716, 2528621753, 2889853432, 5057243506, 10114487012, 20228974024]

約数ペア:

[(1, 20228974024), (2, 10114487012), (4, 5057243506), (7, 2889853432), (8, 2528621753), (14, 1444926716), (28, 722463358), (56, 361231679), (107, 189055832), (214, 94527916), (223, 90712888), (428, 47263958), (446, 45356444), (749, 27007976), (856, 23631979), (892, 22678222), (1498, 13503988), (1561, 12958984), (1784, 11339111), (2996, 6751994), (3122, 6479492), (5992, 3375997), (6244, 3239746), (12488, 1619873), (15139, 1336216), (23861, 847784), (30278, 668108), (47722, 423892), (60556, 334054), (95444, 211946), (105973, 190888), (121112, 167027)]