20235996968

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{87071}}^1$

素因数の和:87246

約数の個数: 64

約数和(自身を含む): 43884288000

約数和(自身を除く): 23648291032

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 139, 152, 209, 278, 418, 556, 836, 1112, 1529, 1672, 2641, 3058, 5282, 6116, 10564, 12232, 21128, 29051, 58102, 87071, 116204, 174142, 232408, 348284, 696568, 957781, 1654349, 1915562, 3308698, 3831124, 6617396, 7662248, 12102869, 13234792, 18197839, 24205738, 36395678, 48411476, 72791356, 96822952, 133131559, 145582712, 229954511, 266263118, 459909022, 532526236, 919818044, 1065052472, 1839636088, 2529499621, 5058999242, 10117998484, 20235996968]

約数ペア:

[(1, 20235996968), (2, 10117998484), (4, 5058999242), (8, 2529499621), (11, 1839636088), (19, 1065052472), (22, 919818044), (38, 532526236), (44, 459909022), (76, 266263118), (88, 229954511), (139, 145582712), (152, 133131559), (209, 96822952), (278, 72791356), (418, 48411476), (556, 36395678), (836, 24205738), (1112, 18197839), (1529, 13234792), (1672, 12102869), (2641, 7662248), (3058, 6617396), (5282, 3831124), (6116, 3308698), (10564, 1915562), (12232, 1654349), (21128, 957781), (29051, 696568), (58102, 348284), (87071, 232408), (116204, 174142)]