20678178

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{1039}}^1$

素因数の和:1182

約数の個数: 32

約数和(自身を含む): 43130880

約数和(自身を除く): 22452702

約数列:

[1, 2, 3, 6, 31, 62, 93, 107, 186, 214, 321, 642, 1039, 2078, 3117, 3317, 6234, 6634, 9951, 19902, 32209, 64418, 96627, 111173, 193254, 222346, 333519, 667038, 3446363, 6892726, 10339089, 20678178]

約数ペア:

[(1, 20678178), (2, 10339089), (3, 6892726), (6, 3446363), (31, 667038), (62, 333519), (93, 222346), (107, 193254), (186, 111173), (214, 96627), (321, 64418), (642, 32209), (1039, 19902), (2078, 9951), (3117, 6634), (3317, 6234)]