20783329691068

素因数分解:

$2^2\times 7^2\times {\mathrm{127}}^1\times {\mathrm{21997}}^1\times {\mathrm{37957}}^1$

素因数の和:60099

約数の個数: 72

約数和(自身を含む): 42645124290048

約数和(自身を除く): 21861794598980

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 127, 196, 254, 508, 889, 1778, 3556, 6223, 12446, 21997, 24892, 37957, 43994, 75914, 87988, 151828, 153979, 265699, 307958, 531398, 615916, 1062796, 1077853, 1859893, 2155706, 2793619, 3719786, 4311412, 4820539, 5587238, 7439572, 9641078, 11174476, 19282156, 19555333, 33743773, 39110666, 67487546, 78221332, 134975092, 136887331, 236206411, 273774662, 472412822, 547549324, 834940129, 944825644, 1669880258, 3339760516, 5844580903, 11689161806, 23378323612, 40912066321, 81824132642, 106037396383, 163648265284, 212074792766, 424149585532, 742261774681, 1484523549362, 2969047098724, 5195832422767, 10391664845534, 20783329691068]

約数ペア:

[(1, 20783329691068), (2, 10391664845534), (4, 5195832422767), (7, 2969047098724), (14, 1484523549362), (28, 742261774681), (49, 424149585532), (98, 212074792766), (127, 163648265284), (196, 106037396383), (254, 81824132642), (508, 40912066321), (889, 23378323612), (1778, 11689161806), (3556, 5844580903), (6223, 3339760516), (12446, 1669880258), (21997, 944825644), (24892, 834940129), (37957, 547549324), (43994, 472412822), (75914, 273774662), (87988, 236206411), (151828, 136887331), (153979, 134975092), (265699, 78221332), (307958, 67487546), (531398, 39110666), (615916, 33743773), (1062796, 19555333), (1077853, 19282156), (1859893, 11174476), (2155706, 9641078), (2793619, 7439572), (3719786, 5587238), (4311412, 4820539)]