20177922

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 41608512

約数和(自身を除く): 21430590

約数列:

[1, 2, 3, 6, 43, 86, 129, 197, 258, 394, 397, 591, 794, 1182, 1191, 2382, 8471, 16942, 17071, 25413, 34142, 50826, 51213, 78209, 102426, 156418, 234627, 469254, 3362987, 6725974, 10088961, 20177922]

約数ペア:

[(1, 20177922), (2, 10088961), (3, 6725974), (6, 3362987), (43, 469254), (86, 234627), (129, 156418), (197, 102426), (258, 78209), (394, 51213), (397, 50826), (591, 34142), (794, 25413), (1182, 17071), (1191, 16942), (2382, 8471)]