20262902

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:165

約数の個数: 48

約数和(自身を含む): 35903616

約数和(自身を除く): 15640714

約数列:

[1, 2, 11, 22, 31, 37, 62, 73, 74, 121, 146, 242, 341, 407, 682, 803, 814, 1147, 1606, 2263, 2294, 2701, 3751, 4477, 4526, 5402, 7502, 8833, 8954, 12617, 17666, 24893, 25234, 29711, 49786, 59422, 83731, 138787, 167462, 273823, 277574, 326821, 547646, 653642, 921041, 1842082, 10131451, 20262902]

約数ペア:

[(1, 20262902), (2, 10131451), (11, 1842082), (22, 921041), (31, 653642), (37, 547646), (62, 326821), (73, 277574), (74, 273823), (121, 167462), (146, 138787), (242, 83731), (341, 59422), (407, 49786), (682, 29711), (803, 25234), (814, 24893), (1147, 17666), (1606, 12617), (2263, 8954), (2294, 8833), (2701, 7502), (3751, 5402), (4477, 4526)]