20554290

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{283}}^1$

素因数の和:568

約数の個数: 64

約数和(自身を含む): 55209600

約数和(自身を除く): 34655310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 269, 270, 283, 538, 566, 807, 849, 1345, 1415, 1614, 1698, 2421, 2547, 2690, 2830, 4035, 4245, 4842, 5094, 7263, 7641, 8070, 8490, 12105, 12735, 14526, 15282, 24210, 25470, 36315, 38205, 72630, 76127, 76410, 152254, 228381, 380635, 456762, 685143, 761270, 1141905, 1370286, 2055429, 2283810, 3425715, 4110858, 6851430, 10277145, 20554290]

約数ペア:

[(1, 20554290), (2, 10277145), (3, 6851430), (5, 4110858), (6, 3425715), (9, 2283810), (10, 2055429), (15, 1370286), (18, 1141905), (27, 761270), (30, 685143), (45, 456762), (54, 380635), (90, 228381), (135, 152254), (269, 76410), (270, 76127), (283, 72630), (538, 38205), (566, 36315), (807, 25470), (849, 24210), (1345, 15282), (1415, 14526), (1614, 12735), (1698, 12105), (2421, 8490), (2547, 8070), (2690, 7641), (2830, 7263), (4035, 5094), (4245, 4842)]