20317821624

素因数分解:

$2^3\times 3^4\times {\mathrm{397}}^1\times {\mathrm{78979}}^1$

素因数の和:79394

約数の個数: 80

約数和(自身を含む): 57052782600

約数和(自身を除く): 36734960976

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 397, 648, 794, 1191, 1588, 2382, 3176, 3573, 4764, 7146, 9528, 10719, 14292, 21438, 28584, 32157, 42876, 64314, 78979, 85752, 128628, 157958, 236937, 257256, 315916, 473874, 631832, 710811, 947748, 1421622, 1895496, 2132433, 2843244, 4264866, 5686488, 6397299, 8529732, 12794598, 17059464, 25589196, 31354663, 51178392, 62709326, 94063989, 125418652, 188127978, 250837304, 282191967, 376255956, 564383934, 752511912, 846575901, 1128767868, 1693151802, 2257535736, 2539727703, 3386303604, 5079455406, 6772607208, 10158910812, 20317821624]

約数ペア:

[(1, 20317821624), (2, 10158910812), (3, 6772607208), (4, 5079455406), (6, 3386303604), (8, 2539727703), (9, 2257535736), (12, 1693151802), (18, 1128767868), (24, 846575901), (27, 752511912), (36, 564383934), (54, 376255956), (72, 282191967), (81, 250837304), (108, 188127978), (162, 125418652), (216, 94063989), (324, 62709326), (397, 51178392), (648, 31354663), (794, 25589196), (1191, 17059464), (1588, 12794598), (2382, 8529732), (3176, 6397299), (3573, 5686488), (4764, 4264866), (7146, 2843244), (9528, 2132433), (10719, 1895496), (14292, 1421622), (21438, 947748), (28584, 710811), (32157, 631832), (42876, 473874), (64314, 315916), (78979, 257256), (85752, 236937), (128628, 157958)]