20397888

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{5059}}^1$

素因数の和:5084

約数の個数: 84

約数和(自身を含む): 66832480

約数和(自身を除く): 46434592

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 144, 168, 192, 224, 252, 288, 336, 448, 504, 576, 672, 1008, 1344, 2016, 4032, 5059, 10118, 15177, 20236, 30354, 35413, 40472, 45531, 60708, 70826, 80944, 91062, 106239, 121416, 141652, 161888, 182124, 212478, 242832, 283304, 318717, 323776, 364248, 424956, 485664, 566608, 637434, 728496, 849912, 971328, 1133216, 1274868, 1456992, 1699824, 2266432, 2549736, 2913984, 3399648, 5099472, 6799296, 10198944, 20397888]

約数ペア:

[(1, 20397888), (2, 10198944), (3, 6799296), (4, 5099472), (6, 3399648), (7, 2913984), (8, 2549736), (9, 2266432), (12, 1699824), (14, 1456992), (16, 1274868), (18, 1133216), (21, 971328), (24, 849912), (28, 728496), (32, 637434), (36, 566608), (42, 485664), (48, 424956), (56, 364248), (63, 323776), (64, 318717), (72, 283304), (84, 242832), (96, 212478), (112, 182124), (126, 161888), (144, 141652), (168, 121416), (192, 106239), (224, 91062), (252, 80944), (288, 70826), (336, 60708), (448, 45531), (504, 40472), (576, 35413), (672, 30354), (1008, 20236), (1344, 15177), (2016, 10118), (4032, 5059)]