20119365

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2777}}^1$

素因数の和:2818

約数の個数: 48

約数和(自身を含む): 41603328

約数和(自身を除く): 21483963

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 63, 69, 105, 115, 161, 207, 315, 345, 483, 805, 1035, 1449, 2415, 2777, 7245, 8331, 13885, 19439, 24993, 41655, 58317, 63871, 97195, 124965, 174951, 191613, 291585, 319355, 447097, 574839, 874755, 958065, 1341291, 2235485, 2874195, 4023873, 6706455, 20119365]

約数ペア:

[(1, 20119365), (3, 6706455), (5, 4023873), (7, 2874195), (9, 2235485), (15, 1341291), (21, 958065), (23, 874755), (35, 574839), (45, 447097), (63, 319355), (69, 291585), (105, 191613), (115, 174951), (161, 124965), (207, 97195), (315, 63871), (345, 58317), (483, 41655), (805, 24993), (1035, 19439), (1449, 13885), (2415, 8331), (2777, 7245)]