20797704

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:715

約数の個数: 96

約数和(自身を含む): 61963200

約数和(自身を除く): 41165496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 23, 24, 36, 38, 46, 57, 69, 72, 76, 92, 114, 138, 152, 171, 184, 207, 228, 276, 342, 414, 437, 456, 552, 661, 684, 828, 874, 1311, 1322, 1368, 1656, 1748, 1983, 2622, 2644, 3496, 3933, 3966, 5244, 5288, 5949, 7866, 7932, 10488, 11898, 12559, 15203, 15732, 15864, 23796, 25118, 30406, 31464, 37677, 45609, 47592, 50236, 60812, 75354, 91218, 100472, 113031, 121624, 136827, 150708, 182436, 226062, 273654, 288857, 301416, 364872, 452124, 547308, 577714, 866571, 904248, 1094616, 1155428, 1733142, 2310856, 2599713, 3466284, 5199426, 6932568, 10398852, 20797704]

約数ペア:

[(1, 20797704), (2, 10398852), (3, 6932568), (4, 5199426), (6, 3466284), (8, 2599713), (9, 2310856), (12, 1733142), (18, 1155428), (19, 1094616), (23, 904248), (24, 866571), (36, 577714), (38, 547308), (46, 452124), (57, 364872), (69, 301416), (72, 288857), (76, 273654), (92, 226062), (114, 182436), (138, 150708), (152, 136827), (171, 121624), (184, 113031), (207, 100472), (228, 91218), (276, 75354), (342, 60812), (414, 50236), (437, 47592), (456, 45609), (552, 37677), (661, 31464), (684, 30406), (828, 25118), (874, 23796), (1311, 15864), (1322, 15732), (1368, 15203), (1656, 12559), (1748, 11898), (1983, 10488), (2622, 7932), (2644, 7866), (3496, 5949), (3933, 5288), (3966, 5244)]