20108256472

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1087}}^1\times {\mathrm{7159}}^1$

素因数の和:8288

約数の個数: 64

約数和(自身を含む): 42066432000

約数和(自身を除く): 21958175528

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1087, 1292, 2174, 2584, 4348, 7159, 8696, 14318, 18479, 20653, 28636, 36958, 41306, 57272, 73916, 82612, 121703, 136021, 147832, 165224, 243406, 272042, 351101, 486812, 544084, 702202, 973624, 1088168, 1404404, 2312357, 2808808, 4624714, 7781833, 9249428, 15563666, 18498856, 31127332, 62254664, 132291161, 147854827, 264582322, 295709654, 529164644, 591419308, 1058329288, 1182838616, 2513532059, 5027064118, 10054128236, 20108256472]

約数ペア:

[(1, 20108256472), (2, 10054128236), (4, 5027064118), (8, 2513532059), (17, 1182838616), (19, 1058329288), (34, 591419308), (38, 529164644), (68, 295709654), (76, 264582322), (136, 147854827), (152, 132291161), (323, 62254664), (646, 31127332), (1087, 18498856), (1292, 15563666), (2174, 9249428), (2584, 7781833), (4348, 4624714), (7159, 2808808), (8696, 2312357), (14318, 1404404), (18479, 1088168), (20653, 973624), (28636, 702202), (36958, 544084), (41306, 486812), (57272, 351101), (73916, 272042), (82612, 243406), (121703, 165224), (136021, 147832)]