20928054540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1993}}^1\times {\mathrm{175013}}^1$

素因数の和:177018

約数の個数: 48

約数和(自身を含む): 58628289888

約数和(自身を除く): 37700235348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1993, 3986, 5979, 7972, 9965, 11958, 19930, 23916, 29895, 39860, 59790, 119580, 175013, 350026, 525039, 700052, 875065, 1050078, 1750130, 2100156, 2625195, 3500260, 5250390, 10500780, 348800909, 697601818, 1046402727, 1395203636, 1744004545, 2092805454, 3488009090, 4185610908, 5232013635, 6976018180, 10464027270, 20928054540]

約数ペア:

[(1, 20928054540), (2, 10464027270), (3, 6976018180), (4, 5232013635), (5, 4185610908), (6, 3488009090), (10, 2092805454), (12, 1744004545), (15, 1395203636), (20, 1046402727), (30, 697601818), (60, 348800909), (1993, 10500780), (3986, 5250390), (5979, 3500260), (7972, 2625195), (9965, 2100156), (11958, 1750130), (19930, 1050078), (23916, 875065), (29895, 700052), (39860, 525039), (59790, 350026), (119580, 175013)]