20902896

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:343

約数の個数: 120

約数和(自身を含む): 67897440

約数和(自身を除く): 46994544

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 89, 112, 126, 144, 168, 178, 233, 252, 267, 336, 356, 466, 504, 534, 623, 699, 712, 801, 932, 1008, 1068, 1246, 1398, 1424, 1602, 1631, 1864, 1869, 2097, 2136, 2492, 2796, 3204, 3262, 3728, 3738, 4194, 4272, 4893, 4984, 5592, 5607, 6408, 6524, 7476, 8388, 9786, 9968, 11184, 11214, 12816, 13048, 14679, 14952, 16776, 19572, 20737, 22428, 26096, 29358, 29904, 33552, 39144, 41474, 44856, 58716, 62211, 78288, 82948, 89712, 117432, 124422, 145159, 165896, 186633, 234864, 248844, 290318, 331792, 373266, 435477, 497688, 580636, 746532, 870954, 995376, 1161272, 1306431, 1493064, 1741908, 2322544, 2612862, 2986128, 3483816, 5225724, 6967632, 10451448, 20902896]

約数ペア:

[(1, 20902896), (2, 10451448), (3, 6967632), (4, 5225724), (6, 3483816), (7, 2986128), (8, 2612862), (9, 2322544), (12, 1741908), (14, 1493064), (16, 1306431), (18, 1161272), (21, 995376), (24, 870954), (28, 746532), (36, 580636), (42, 497688), (48, 435477), (56, 373266), (63, 331792), (72, 290318), (84, 248844), (89, 234864), (112, 186633), (126, 165896), (144, 145159), (168, 124422), (178, 117432), (233, 89712), (252, 82948), (267, 78288), (336, 62211), (356, 58716), (466, 44856), (504, 41474), (534, 39144), (623, 33552), (699, 29904), (712, 29358), (801, 26096), (932, 22428), (1008, 20737), (1068, 19572), (1246, 16776), (1398, 14952), (1424, 14679), (1602, 13048), (1631, 12816), (1864, 11214), (1869, 11184), (2097, 9968), (2136, 9786), (2492, 8388), (2796, 7476), (3204, 6524), (3262, 6408), (3728, 5607), (3738, 5592), (4194, 4984), (4272, 4893)]