20384966

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{331}}^1$

素因数の和:476

約数の個数: 32

約数和(自身を含む): 36142848

約数和(自身を除く): 15757882

約数列:

[1, 2, 7, 14, 53, 83, 106, 166, 331, 371, 581, 662, 742, 1162, 2317, 4399, 4634, 8798, 17543, 27473, 30793, 35086, 54946, 61586, 122801, 192311, 245602, 384622, 1456069, 2912138, 10192483, 20384966]

約数ペア:

[(1, 20384966), (2, 10192483), (7, 2912138), (14, 1456069), (53, 384622), (83, 245602), (106, 192311), (166, 122801), (331, 61586), (371, 54946), (581, 35086), (662, 30793), (742, 27473), (1162, 17543), (2317, 8798), (4399, 4634)]