20281534

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2371}}^1$

素因数の和:2440

約数の個数: 32

約数和(自身を含む): 38255616

約数和(自身を除く): 17974082

約数列:

[1, 2, 7, 13, 14, 26, 47, 91, 94, 182, 329, 611, 658, 1222, 2371, 4277, 4742, 8554, 16597, 30823, 33194, 61646, 111437, 215761, 222874, 431522, 780059, 1448681, 1560118, 2897362, 10140767, 20281534]

約数ペア:

[(1, 20281534), (2, 10140767), (7, 2897362), (13, 1560118), (14, 1448681), (26, 780059), (47, 431522), (91, 222874), (94, 215761), (182, 111437), (329, 61646), (611, 33194), (658, 30823), (1222, 16597), (2371, 8554), (4277, 4742)]