20407248

素因数分解:

$2^4\times 3^3\times {\mathrm{97}}^1\times {\mathrm{487}}^1$

素因数の和:601

約数の個数: 80

約数和(自身を含む): 59301760

約数和(自身を除く): 38894512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 97, 108, 144, 194, 216, 291, 388, 432, 487, 582, 776, 873, 974, 1164, 1461, 1552, 1746, 1948, 2328, 2619, 2922, 3492, 3896, 4383, 4656, 5238, 5844, 6984, 7792, 8766, 10476, 11688, 13149, 13968, 17532, 20952, 23376, 26298, 35064, 41904, 47239, 52596, 70128, 94478, 105192, 141717, 188956, 210384, 283434, 377912, 425151, 566868, 755824, 850302, 1133736, 1275453, 1700604, 2267472, 2550906, 3401208, 5101812, 6802416, 10203624, 20407248]

約数ペア:

[(1, 20407248), (2, 10203624), (3, 6802416), (4, 5101812), (6, 3401208), (8, 2550906), (9, 2267472), (12, 1700604), (16, 1275453), (18, 1133736), (24, 850302), (27, 755824), (36, 566868), (48, 425151), (54, 377912), (72, 283434), (97, 210384), (108, 188956), (144, 141717), (194, 105192), (216, 94478), (291, 70128), (388, 52596), (432, 47239), (487, 41904), (582, 35064), (776, 26298), (873, 23376), (974, 20952), (1164, 17532), (1461, 13968), (1552, 13149), (1746, 11688), (1948, 10476), (2328, 8766), (2619, 7792), (2922, 6984), (3492, 5844), (3896, 5238), (4383, 4656)]