20974116

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{487}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 50884736

約数和(自身を除く): 29910620

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 97, 111, 148, 194, 222, 291, 388, 444, 487, 582, 974, 1164, 1461, 1948, 2922, 3589, 5844, 7178, 10767, 14356, 18019, 21534, 36038, 43068, 47239, 54057, 72076, 94478, 108114, 141717, 188956, 216228, 283434, 566868, 1747843, 3495686, 5243529, 6991372, 10487058, 20974116]

約数ペア:

[(1, 20974116), (2, 10487058), (3, 6991372), (4, 5243529), (6, 3495686), (12, 1747843), (37, 566868), (74, 283434), (97, 216228), (111, 188956), (148, 141717), (194, 108114), (222, 94478), (291, 72076), (388, 54057), (444, 47239), (487, 43068), (582, 36038), (974, 21534), (1164, 18019), (1461, 14356), (1948, 10767), (2922, 7178), (3589, 5844)]