20198087913

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{941}}^1\times {\mathrm{1549}}^1$

素因数の和:2673

約数の個数: 32

約数和(自身を含む): 28033920000

約数和(自身を除く): 7835832087

約数列:

[1, 3, 31, 93, 149, 447, 941, 1549, 2823, 4619, 4647, 13857, 29171, 48019, 87513, 140209, 144057, 230801, 420627, 692403, 1457609, 4346479, 4372827, 7154831, 13039437, 21464493, 45185879, 135557637, 217183741, 651551223, 6732695971, 20198087913]

約数ペア:

[(1, 20198087913), (3, 6732695971), (31, 651551223), (93, 217183741), (149, 135557637), (447, 45185879), (941, 21464493), (1549, 13039437), (2823, 7154831), (4619, 4372827), (4647, 4346479), (13857, 1457609), (29171, 692403), (48019, 420627), (87513, 230801), (140209, 144057)]