20386418

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{467}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 34909056

約数和(自身を除く): 14522638

約数列:

[1, 2, 13, 23, 26, 46, 73, 146, 299, 467, 598, 934, 949, 1679, 1898, 3358, 6071, 10741, 12142, 21482, 21827, 34091, 43654, 68182, 139633, 279266, 443183, 784093, 886366, 1568186, 10193209, 20386418]

約数ペア:

[(1, 20386418), (2, 10193209), (13, 1568186), (23, 886366), (26, 784093), (46, 443183), (73, 279266), (146, 139633), (299, 68182), (467, 43654), (598, 34091), (934, 21827), (949, 21482), (1679, 12142), (1898, 10741), (3358, 6071)]