20755056

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{277}}^1$

素因数の和:518

約数の個数: 80

約数和(自身を含む): 61773824

約数和(自身を除く): 41018768

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 223, 277, 336, 446, 554, 669, 831, 892, 1108, 1338, 1561, 1662, 1784, 1939, 2216, 2676, 3122, 3324, 3568, 3878, 4432, 4683, 5352, 5817, 6244, 6648, 7756, 9366, 10704, 11634, 12488, 13296, 15512, 18732, 23268, 24976, 31024, 37464, 46536, 61771, 74928, 93072, 123542, 185313, 247084, 370626, 432397, 494168, 741252, 864794, 988336, 1297191, 1482504, 1729588, 2594382, 2965008, 3459176, 5188764, 6918352, 10377528, 20755056]

約数ペア:

[(1, 20755056), (2, 10377528), (3, 6918352), (4, 5188764), (6, 3459176), (7, 2965008), (8, 2594382), (12, 1729588), (14, 1482504), (16, 1297191), (21, 988336), (24, 864794), (28, 741252), (42, 494168), (48, 432397), (56, 370626), (84, 247084), (112, 185313), (168, 123542), (223, 93072), (277, 74928), (336, 61771), (446, 46536), (554, 37464), (669, 31024), (831, 24976), (892, 23268), (1108, 18732), (1338, 15512), (1561, 13296), (1662, 12488), (1784, 11634), (1939, 10704), (2216, 9366), (2676, 7756), (3122, 6648), (3324, 6244), (3568, 5817), (3878, 5352), (4432, 4683)]