20801354

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{313}}^1$

素因数の和:470

約数の個数: 32

約数和(自身を含む): 36896256

約数和(自身を除く): 16094902

約数列:

[1, 2, 7, 14, 47, 94, 101, 202, 313, 329, 626, 658, 707, 1414, 2191, 4382, 4747, 9494, 14711, 29422, 31613, 33229, 63226, 66458, 102977, 205954, 221291, 442582, 1485811, 2971622, 10400677, 20801354]

約数ペア:

[(1, 20801354), (2, 10400677), (7, 2971622), (14, 1485811), (47, 442582), (94, 221291), (101, 205954), (202, 102977), (313, 66458), (329, 63226), (626, 33229), (658, 31613), (707, 29422), (1414, 14711), (2191, 9494), (4382, 4747)]