20179293890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{811}}^1\times {\mathrm{355457}}^1$

素因数の和:356282

約数の個数: 32

約数和(自身を含む): 41562993024

約数和(自身を除く): 21383699134

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 811, 1622, 4055, 5677, 8110, 11354, 28385, 56770, 355457, 710914, 1777285, 2488199, 3554570, 4976398, 12440995, 24881990, 288275627, 576551254, 1441378135, 2017929389, 2882756270, 4035858778, 10089646945, 20179293890]

約数ペア:

[(1, 20179293890), (2, 10089646945), (5, 4035858778), (7, 2882756270), (10, 2017929389), (14, 1441378135), (35, 576551254), (70, 288275627), (811, 24881990), (1622, 12440995), (4055, 4976398), (5677, 3554570), (8110, 2488199), (11354, 1777285), (28385, 710914), (56770, 355457)]