20199204905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1\times {\mathrm{19139}}^1$

素因数の和:19805

約数の個数: 32

約数和(自身を含む): 27341107200

約数和(自身を除く): 7141902295

約数列:

[1, 5, 11, 31, 55, 155, 341, 619, 1705, 3095, 6809, 19139, 19189, 34045, 95695, 95945, 210529, 211079, 593309, 1052645, 1055395, 2966545, 6526399, 11847041, 32631995, 59235205, 130317451, 367258271, 651587255, 1836291355, 4039840981, 20199204905]

約数ペア:

[(1, 20199204905), (5, 4039840981), (11, 1836291355), (31, 651587255), (55, 367258271), (155, 130317451), (341, 59235205), (619, 32631995), (1705, 11847041), (3095, 6526399), (6809, 2966545), (19139, 1055395), (19189, 1052645), (34045, 593309), (95695, 211079), (95945, 210529)]