20650458

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{991}}^1$

素因数の和:1170

約数の個数: 32

約数和(自身を含む): 43425792

約数和(自身を除く): 22775334

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 151, 302, 453, 906, 991, 1982, 2973, 3473, 5946, 6946, 10419, 20838, 22793, 45586, 68379, 136758, 149641, 299282, 448923, 897846, 3441743, 6883486, 10325229, 20650458]

約数ペア:

[(1, 20650458), (2, 10325229), (3, 6883486), (6, 3441743), (23, 897846), (46, 448923), (69, 299282), (138, 149641), (151, 136758), (302, 68379), (453, 45586), (906, 22793), (991, 20838), (1982, 10419), (2973, 6946), (3473, 5946)]