20423556

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1$

素因数の和:338

約数の個数: 96

約数和(自身を含む): 57456000

約数和(自身を除く): 37032444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 37, 38, 54, 57, 74, 76, 108, 111, 114, 148, 171, 222, 228, 269, 333, 342, 444, 513, 538, 666, 684, 703, 807, 999, 1026, 1076, 1332, 1406, 1614, 1998, 2052, 2109, 2421, 2812, 3228, 3996, 4218, 4842, 5111, 6327, 7263, 8436, 9684, 9953, 10222, 12654, 14526, 15333, 18981, 19906, 20444, 25308, 29052, 29859, 30666, 37962, 39812, 45999, 59718, 61332, 75924, 89577, 91998, 119436, 137997, 179154, 183996, 189107, 268731, 275994, 358308, 378214, 537462, 551988, 567321, 756428, 1074924, 1134642, 1701963, 2269284, 3403926, 5105889, 6807852, 10211778, 20423556]

約数ペア:

[(1, 20423556), (2, 10211778), (3, 6807852), (4, 5105889), (6, 3403926), (9, 2269284), (12, 1701963), (18, 1134642), (19, 1074924), (27, 756428), (36, 567321), (37, 551988), (38, 537462), (54, 378214), (57, 358308), (74, 275994), (76, 268731), (108, 189107), (111, 183996), (114, 179154), (148, 137997), (171, 119436), (222, 91998), (228, 89577), (269, 75924), (333, 61332), (342, 59718), (444, 45999), (513, 39812), (538, 37962), (666, 30666), (684, 29859), (703, 29052), (807, 25308), (999, 20444), (1026, 19906), (1076, 18981), (1332, 15333), (1406, 14526), (1614, 12654), (1998, 10222), (2052, 9953), (2109, 9684), (2421, 8436), (2812, 7263), (3228, 6327), (3996, 5111), (4218, 4842)]