20212990072

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{151813}}^1$

素因数の和:151936

約数の個数: 64

約数和(自身を含む): 44268962400

約数和(自身を除く): 24055972328

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 89, 136, 178, 187, 356, 374, 712, 748, 979, 1496, 1513, 1958, 3026, 3916, 6052, 7832, 12104, 16643, 33286, 66572, 133144, 151813, 303626, 607252, 1214504, 1669943, 2580821, 3339886, 5161642, 6679772, 10323284, 13359544, 13511357, 20646568, 27022714, 28389031, 54045428, 56778062, 108090856, 113556124, 148624927, 227112248, 229693069, 297249854, 459386138, 594499708, 918772276, 1188999416, 1837544552, 2526623759, 5053247518, 10106495036, 20212990072]

約数ペア:

[(1, 20212990072), (2, 10106495036), (4, 5053247518), (8, 2526623759), (11, 1837544552), (17, 1188999416), (22, 918772276), (34, 594499708), (44, 459386138), (68, 297249854), (88, 229693069), (89, 227112248), (136, 148624927), (178, 113556124), (187, 108090856), (356, 56778062), (374, 54045428), (712, 28389031), (748, 27022714), (979, 20646568), (1496, 13511357), (1513, 13359544), (1958, 10323284), (3026, 6679772), (3916, 5161642), (6052, 3339886), (7832, 2580821), (12104, 1669943), (16643, 1214504), (33286, 607252), (66572, 303626), (133144, 151813)]