16920862

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{587}}^1$

素因数の和:696

約数の個数: 32

約数和(自身を含む): 30481920

約数和(自身を除く): 13561058

約数列:

[1, 2, 7, 14, 29, 58, 71, 142, 203, 406, 497, 587, 994, 1174, 2059, 4109, 4118, 8218, 14413, 17023, 28826, 34046, 41677, 83354, 119161, 238322, 291739, 583478, 1208633, 2417266, 8460431, 16920862]

約数ペア:

[(1, 16920862), (2, 8460431), (7, 2417266), (14, 1208633), (29, 583478), (58, 291739), (71, 238322), (142, 119161), (203, 83354), (406, 41677), (497, 34046), (587, 28826), (994, 17023), (1174, 14413), (2059, 8218), (4109, 4118)]