20256516

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2593}}^1$

素因数の和:2641

約数の個数: 72

約数和(自身を含む): 60429824

約数和(自身を除く): 40173308

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2593, 2604, 3906, 5186, 7779, 7812, 10372, 15558, 18151, 23337, 31116, 36302, 46674, 54453, 72604, 80383, 93348, 108906, 160766, 163359, 217812, 241149, 321532, 326718, 482298, 562681, 653436, 723447, 964596, 1125362, 1446894, 1688043, 2250724, 2893788, 3376086, 5064129, 6752172, 10128258, 20256516]

約数ペア:

[(1, 20256516), (2, 10128258), (3, 6752172), (4, 5064129), (6, 3376086), (7, 2893788), (9, 2250724), (12, 1688043), (14, 1446894), (18, 1125362), (21, 964596), (28, 723447), (31, 653436), (36, 562681), (42, 482298), (62, 326718), (63, 321532), (84, 241149), (93, 217812), (124, 163359), (126, 160766), (186, 108906), (217, 93348), (252, 80383), (279, 72604), (372, 54453), (434, 46674), (558, 36302), (651, 31116), (868, 23337), (1116, 18151), (1302, 15558), (1953, 10372), (2593, 7812), (2604, 7779), (3906, 5186)]