20678426

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{853}}^1$

素因数の和:926

約数の個数: 32

約数和(自身を含む): 35417088

約数和(自身を除く): 14738662

約数列:

[1, 2, 17, 23, 31, 34, 46, 62, 391, 527, 713, 782, 853, 1054, 1426, 1706, 12121, 14501, 19619, 24242, 26443, 29002, 39238, 52886, 333523, 449531, 608189, 667046, 899062, 1216378, 10339213, 20678426]

約数ペア:

[(1, 20678426), (2, 10339213), (17, 1216378), (23, 899062), (31, 667046), (34, 608189), (46, 449531), (62, 333523), (391, 52886), (527, 39238), (713, 29002), (782, 26443), (853, 24242), (1054, 19619), (1426, 14501), (1706, 12121)]