20790972

素因数分解:

$2^2\times 3^3\times {\mathrm{311}}^1\times {\mathrm{619}}^1$

素因数の和:943

約数の個数: 48

約数和(自身を含む): 54163200

約数和(自身を除く): 33372228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 311, 619, 622, 933, 1238, 1244, 1857, 1866, 2476, 2799, 3714, 3732, 5571, 5598, 7428, 8397, 11142, 11196, 16713, 16794, 22284, 33426, 33588, 66852, 192509, 385018, 577527, 770036, 1155054, 1732581, 2310108, 3465162, 5197743, 6930324, 10395486, 20790972]

約数ペア:

[(1, 20790972), (2, 10395486), (3, 6930324), (4, 5197743), (6, 3465162), (9, 2310108), (12, 1732581), (18, 1155054), (27, 770036), (36, 577527), (54, 385018), (108, 192509), (311, 66852), (619, 33588), (622, 33426), (933, 22284), (1238, 16794), (1244, 16713), (1857, 11196), (1866, 11142), (2476, 8397), (2799, 7428), (3714, 5598), (3732, 5571)]