20317004

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 39916800

約数和(自身を除く): 19599796

約数列:

[1, 2, 4, 19, 23, 38, 46, 59, 76, 92, 118, 197, 236, 394, 437, 788, 874, 1121, 1357, 1748, 2242, 2714, 3743, 4484, 4531, 5428, 7486, 9062, 11623, 14972, 18124, 23246, 25783, 46492, 51566, 86089, 103132, 172178, 220837, 267329, 344356, 441674, 534658, 883348, 1069316, 5079251, 10158502, 20317004]

約数ペア:

[(1, 20317004), (2, 10158502), (4, 5079251), (19, 1069316), (23, 883348), (38, 534658), (46, 441674), (59, 344356), (76, 267329), (92, 220837), (118, 172178), (197, 103132), (236, 86089), (394, 51566), (437, 46492), (788, 25783), (874, 23246), (1121, 18124), (1357, 14972), (1748, 11623), (2242, 9062), (2714, 7486), (3743, 5428), (4484, 4531)]