20105204088

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1\times {\mathrm{76163}}^1$

素因数の和:76836

約数の個数: 64

約数和(自身を含む): 53302613760

約数和(自身を除く): 33197409672

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 647, 1294, 1941, 2588, 3882, 5176, 7764, 10999, 15528, 21998, 32997, 43996, 65994, 76163, 87992, 131988, 152326, 228489, 263976, 304652, 456978, 609304, 913956, 1294771, 1827912, 2589542, 3884313, 5179084, 7768626, 10358168, 15537252, 31074504, 49277461, 98554922, 147832383, 197109844, 295664766, 394219688, 591329532, 837716837, 1182659064, 1675433674, 2513150511, 3350867348, 5026301022, 6701734696, 10052602044, 20105204088]

約数ペア:

[(1, 20105204088), (2, 10052602044), (3, 6701734696), (4, 5026301022), (6, 3350867348), (8, 2513150511), (12, 1675433674), (17, 1182659064), (24, 837716837), (34, 591329532), (51, 394219688), (68, 295664766), (102, 197109844), (136, 147832383), (204, 98554922), (408, 49277461), (647, 31074504), (1294, 15537252), (1941, 10358168), (2588, 7768626), (3882, 5179084), (5176, 3884313), (7764, 2589542), (10999, 1827912), (15528, 1294771), (21998, 913956), (32997, 609304), (43996, 456978), (65994, 304652), (76163, 263976), (87992, 228489), (131988, 152326)]