20349375748

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{82787}}^1$

素因数の和:82996

約数の個数: 48

約数和(自身を含む): 39917062080

約数和(自身を除く): 19567686332

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 163, 326, 377, 652, 754, 1508, 2119, 4238, 4727, 8476, 9454, 18908, 61451, 82787, 122902, 165574, 245804, 331148, 1076231, 2152462, 2400823, 4304924, 4801646, 9603292, 13494281, 26988562, 31210699, 53977124, 62421398, 124842796, 175425653, 350851306, 391334149, 701702612, 782668298, 1565336596, 5087343937, 10174687874, 20349375748]

約数ペア:

[(1, 20349375748), (2, 10174687874), (4, 5087343937), (13, 1565336596), (26, 782668298), (29, 701702612), (52, 391334149), (58, 350851306), (116, 175425653), (163, 124842796), (326, 62421398), (377, 53977124), (652, 31210699), (754, 26988562), (1508, 13494281), (2119, 9603292), (4238, 4801646), (4727, 4304924), (8476, 2400823), (9454, 2152462), (18908, 1076231), (61451, 331148), (82787, 245804), (122902, 165574)]