20692600

素因数分解:

$2^3\times 5^2\times {\mathrm{157}}^1\times {\mathrm{659}}^1$

素因数の和:832

約数の個数: 48

約数和(自身を含む): 48490200

約数和(自身を除く): 27797600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 157, 200, 314, 628, 659, 785, 1256, 1318, 1570, 2636, 3140, 3295, 3925, 5272, 6280, 6590, 7850, 13180, 15700, 16475, 26360, 31400, 32950, 65900, 103463, 131800, 206926, 413852, 517315, 827704, 1034630, 2069260, 2586575, 4138520, 5173150, 10346300, 20692600]

約数ペア:

[(1, 20692600), (2, 10346300), (4, 5173150), (5, 4138520), (8, 2586575), (10, 2069260), (20, 1034630), (25, 827704), (40, 517315), (50, 413852), (100, 206926), (157, 131800), (200, 103463), (314, 65900), (628, 32950), (659, 31400), (785, 26360), (1256, 16475), (1318, 15700), (1570, 13180), (2636, 7850), (3140, 6590), (3295, 6280), (3925, 5272)]