2020787580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{111893}}^1$

素因数の和:111955

約数の個数: 96

約数和(自身を含む): 6616963584

約数和(自身を除く): 4596176004

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 60, 70, 84, 86, 105, 129, 140, 172, 210, 215, 258, 301, 420, 430, 516, 602, 645, 860, 903, 1204, 1290, 1505, 1806, 2580, 3010, 3612, 4515, 6020, 9030, 18060, 111893, 223786, 335679, 447572, 559465, 671358, 783251, 1118930, 1342716, 1566502, 1678395, 2237860, 2349753, 3133004, 3356790, 3916255, 4699506, 4811399, 6713580, 7832510, 9399012, 9622798, 11748765, 14434197, 15665020, 19245596, 23497530, 24056995, 28868394, 33679793, 46995060, 48113990, 57736788, 67359586, 72170985, 96227980, 101039379, 134719172, 144341970, 168398965, 202078758, 288683940, 336797930, 404157516, 505196895, 673595860, 1010393790, 2020787580]

約数ペア:

[(1, 2020787580), (2, 1010393790), (3, 673595860), (4, 505196895), (5, 404157516), (6, 336797930), (7, 288683940), (10, 202078758), (12, 168398965), (14, 144341970), (15, 134719172), (20, 101039379), (21, 96227980), (28, 72170985), (30, 67359586), (35, 57736788), (42, 48113990), (43, 46995060), (60, 33679793), (70, 28868394), (84, 24056995), (86, 23497530), (105, 19245596), (129, 15665020), (140, 14434197), (172, 11748765), (210, 9622798), (215, 9399012), (258, 7832510), (301, 6713580), (420, 4811399), (430, 4699506), (516, 3916255), (602, 3356790), (645, 3133004), (860, 2349753), (903, 2237860), (1204, 1678395), (1290, 1566502), (1505, 1342716), (1806, 1118930), (2580, 783251), (3010, 671358), (3612, 559465), (4515, 447572), (6020, 335679), (9030, 223786), (18060, 111893)]