20367990171

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:453

約数の個数: 96

約数和(自身を含む): 31882346496

約数和(自身を除く): 11514356325

約数列:

[1, 3, 9, 31, 47, 71, 93, 131, 141, 167, 213, 279, 393, 423, 501, 639, 1179, 1457, 1503, 2201, 3337, 4061, 4371, 5177, 6157, 6603, 7849, 9301, 10011, 11857, 12183, 13113, 15531, 18471, 19809, 21877, 23547, 27903, 30033, 35571, 36549, 46593, 55413, 65631, 70641, 83709, 103447, 106713, 190867, 196893, 243319, 288331, 310341, 367567, 437147, 557279, 572601, 678187, 729957, 864993, 931023, 1028219, 1102701, 1311441, 1553267, 1671837, 1717803, 2034561, 2189871, 2594979, 3084657, 3308103, 3934323, 4659801, 5015511, 6103683, 9253971, 13551557, 13979403, 17275649, 31874789, 40654671, 48151277, 51826947, 73003549, 95624367, 121964013, 144453831, 155480841, 219010647, 286873101, 433361493, 657031941, 2263110019, 6789330057, 20367990171]

約数ペア:

[(1, 20367990171), (3, 6789330057), (9, 2263110019), (31, 657031941), (47, 433361493), (71, 286873101), (93, 219010647), (131, 155480841), (141, 144453831), (167, 121964013), (213, 95624367), (279, 73003549), (393, 51826947), (423, 48151277), (501, 40654671), (639, 31874789), (1179, 17275649), (1457, 13979403), (1503, 13551557), (2201, 9253971), (3337, 6103683), (4061, 5015511), (4371, 4659801), (5177, 3934323), (6157, 3308103), (6603, 3084657), (7849, 2594979), (9301, 2189871), (10011, 2034561), (11857, 1717803), (12183, 1671837), (13113, 1553267), (15531, 1311441), (18471, 1102701), (19809, 1028219), (21877, 931023), (23547, 864993), (27903, 729957), (30033, 678187), (35571, 572601), (36549, 557279), (46593, 437147), (55413, 367567), (65631, 310341), (70641, 288331), (83709, 243319), (103447, 196893), (106713, 190867)]