20654479620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{307633}}^1$

素因数の和:308021

約数の個数: 72

約数和(自身を含む): 62820093336

約数和(自身を除く): 42165613716

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 373, 746, 1119, 1492, 1865, 2238, 3357, 3730, 4476, 5595, 6714, 7460, 11190, 13428, 16785, 22380, 33570, 67140, 307633, 615266, 922899, 1230532, 1538165, 1845798, 2768697, 3076330, 3691596, 4614495, 5537394, 6152660, 9228990, 11074788, 13843485, 18457980, 27686970, 55373940, 114747109, 229494218, 344241327, 458988436, 573735545, 688482654, 1032723981, 1147471090, 1376965308, 1721206635, 2065447962, 2294942180, 3442413270, 4130895924, 5163619905, 6884826540, 10327239810, 20654479620]

約数ペア:

[(1, 20654479620), (2, 10327239810), (3, 6884826540), (4, 5163619905), (5, 4130895924), (6, 3442413270), (9, 2294942180), (10, 2065447962), (12, 1721206635), (15, 1376965308), (18, 1147471090), (20, 1032723981), (30, 688482654), (36, 573735545), (45, 458988436), (60, 344241327), (90, 229494218), (180, 114747109), (373, 55373940), (746, 27686970), (1119, 18457980), (1492, 13843485), (1865, 11074788), (2238, 9228990), (3357, 6152660), (3730, 5537394), (4476, 4614495), (5595, 3691596), (6714, 3076330), (7460, 2768697), (11190, 1845798), (13428, 1538165), (16785, 1230532), (22380, 922899), (33570, 615266), (67140, 307633)]