20454953176

素因数分解:

$2^3\times 7^3\times {\mathrm{419}}^1\times {\mathrm{17791}}^1$

素因数の和:18237

約数の個数: 64

約数和(自身を含む): 44835840000

約数和(自身を除く): 24380886824

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 419, 686, 838, 1372, 1676, 2744, 2933, 3352, 5866, 11732, 17791, 20531, 23464, 35582, 41062, 71164, 82124, 124537, 142328, 143717, 164248, 249074, 287434, 498148, 574868, 871759, 996296, 1149736, 1743518, 3487036, 6102313, 6974072, 7454429, 12204626, 14908858, 24409252, 29817716, 48818504, 52181003, 59635432, 104362006, 208724012, 365267021, 417448024, 730534042, 1461068084, 2556869147, 2922136168, 5113738294, 10227476588, 20454953176]

約数ペア:

[(1, 20454953176), (2, 10227476588), (4, 5113738294), (7, 2922136168), (8, 2556869147), (14, 1461068084), (28, 730534042), (49, 417448024), (56, 365267021), (98, 208724012), (196, 104362006), (343, 59635432), (392, 52181003), (419, 48818504), (686, 29817716), (838, 24409252), (1372, 14908858), (1676, 12204626), (2744, 7454429), (2933, 6974072), (3352, 6102313), (5866, 3487036), (11732, 1743518), (17791, 1149736), (20531, 996296), (23464, 871759), (35582, 574868), (41062, 498148), (71164, 287434), (82124, 249074), (124537, 164248), (142328, 143717)]