20523222

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{557}}^1$

素因数の和:677

約数の個数: 48

約数和(自身を含む): 47005920

約数和(自身を除く): 26482698

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 89, 138, 178, 207, 267, 414, 534, 557, 801, 1114, 1602, 1671, 2047, 3342, 4094, 5013, 6141, 10026, 12282, 12811, 18423, 25622, 36846, 38433, 49573, 76866, 99146, 115299, 148719, 230598, 297438, 446157, 892314, 1140179, 2280358, 3420537, 6841074, 10261611, 20523222]

約数ペア:

[(1, 20523222), (2, 10261611), (3, 6841074), (6, 3420537), (9, 2280358), (18, 1140179), (23, 892314), (46, 446157), (69, 297438), (89, 230598), (138, 148719), (178, 115299), (207, 99146), (267, 76866), (414, 49573), (534, 38433), (557, 36846), (801, 25622), (1114, 18423), (1602, 12811), (1671, 12282), (2047, 10026), (3342, 6141), (4094, 5013)]