20497452584

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{967}}^1\times {\mathrm{4253}}^1$

素因数の和:5322

約数の個数: 64

約数和(自身を含む): 44473017600

約数和(自身を除く): 23975565016

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 178, 356, 623, 712, 967, 1246, 1934, 2492, 3868, 4253, 4984, 6769, 7736, 8506, 13538, 17012, 27076, 29771, 34024, 54152, 59542, 86063, 119084, 172126, 238168, 344252, 378517, 602441, 688504, 757034, 1204882, 1514068, 2409764, 2649619, 3028136, 4112651, 4819528, 5299238, 8225302, 10598476, 16450604, 21196952, 28788557, 32901208, 57577114, 115154228, 230308456, 366025939, 732051878, 1464103756, 2562181573, 2928207512, 5124363146, 10248726292, 20497452584]

約数ペア:

[(1, 20497452584), (2, 10248726292), (4, 5124363146), (7, 2928207512), (8, 2562181573), (14, 1464103756), (28, 732051878), (56, 366025939), (89, 230308456), (178, 115154228), (356, 57577114), (623, 32901208), (712, 28788557), (967, 21196952), (1246, 16450604), (1934, 10598476), (2492, 8225302), (3868, 5299238), (4253, 4819528), (4984, 4112651), (6769, 3028136), (7736, 2649619), (8506, 2409764), (13538, 1514068), (17012, 1204882), (27076, 757034), (29771, 688504), (34024, 602441), (54152, 378517), (59542, 344252), (86063, 238168), (119084, 172126)]