20931696

素因数分解:

$2^4\times 3^4\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:572

約数の個数: 100

約数和(自身を含む): 62656704

約数和(自身を除く): 41725008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 48, 54, 62, 72, 81, 93, 108, 124, 144, 162, 186, 216, 248, 279, 324, 372, 432, 496, 521, 558, 648, 744, 837, 1042, 1116, 1296, 1488, 1563, 1674, 2084, 2232, 2511, 3126, 3348, 4168, 4464, 4689, 5022, 6252, 6696, 8336, 9378, 10044, 12504, 13392, 14067, 16151, 18756, 20088, 25008, 28134, 32302, 37512, 40176, 42201, 48453, 56268, 64604, 75024, 84402, 96906, 112536, 129208, 145359, 168804, 193812, 225072, 258416, 290718, 337608, 387624, 436077, 581436, 675216, 775248, 872154, 1162872, 1308231, 1744308, 2325744, 2616462, 3488616, 5232924, 6977232, 10465848, 20931696]

約数ペア:

[(1, 20931696), (2, 10465848), (3, 6977232), (4, 5232924), (6, 3488616), (8, 2616462), (9, 2325744), (12, 1744308), (16, 1308231), (18, 1162872), (24, 872154), (27, 775248), (31, 675216), (36, 581436), (48, 436077), (54, 387624), (62, 337608), (72, 290718), (81, 258416), (93, 225072), (108, 193812), (124, 168804), (144, 145359), (162, 129208), (186, 112536), (216, 96906), (248, 84402), (279, 75024), (324, 64604), (372, 56268), (432, 48453), (496, 42201), (521, 40176), (558, 37512), (648, 32302), (744, 28134), (837, 25008), (1042, 20088), (1116, 18756), (1296, 16151), (1488, 14067), (1563, 13392), (1674, 12504), (2084, 10044), (2232, 9378), (2511, 8336), (3126, 6696), (3348, 6252), (4168, 5022), (4464, 4689)]