20124618920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4177}}^1\times {\mathrm{17207}}^1$

素因数の和:21402

約数の個数: 64

約数和(自身を含む): 51764417280

約数和(自身を除く): 31639798360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4177, 8354, 16708, 17207, 20885, 29239, 33416, 34414, 41770, 58478, 68828, 83540, 86035, 116956, 120449, 137656, 146195, 167080, 172070, 233912, 240898, 292390, 344140, 481796, 584780, 602245, 688280, 963592, 1169560, 1204490, 2408980, 4817960, 71873639, 143747278, 287494556, 359368195, 503115473, 574989112, 718736390, 1006230946, 1437472780, 2012461892, 2515577365, 2874945560, 4024923784, 5031154730, 10062309460, 20124618920]

約数ペア:

[(1, 20124618920), (2, 10062309460), (4, 5031154730), (5, 4024923784), (7, 2874945560), (8, 2515577365), (10, 2012461892), (14, 1437472780), (20, 1006230946), (28, 718736390), (35, 574989112), (40, 503115473), (56, 359368195), (70, 287494556), (140, 143747278), (280, 71873639), (4177, 4817960), (8354, 2408980), (16708, 1204490), (17207, 1169560), (20885, 963592), (29239, 688280), (33416, 602245), (34414, 584780), (41770, 481796), (58478, 344140), (68828, 292390), (83540, 240898), (86035, 233912), (116956, 172070), (120449, 167080), (137656, 146195)]