20197656870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{439}}^1\times {\mathrm{3863}}^1$

素因数の和:4709

約数の個数: 64

約数和(自身を含む): 48719784960

約数和(自身を除く): 28522128090

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 397, 439, 794, 878, 1191, 1317, 1985, 2195, 2382, 2634, 3863, 3970, 4390, 5955, 6585, 7726, 11589, 11910, 13170, 19315, 23178, 38630, 57945, 115890, 174283, 348566, 522849, 871415, 1045698, 1533611, 1695857, 1742830, 2614245, 3067222, 3391714, 4600833, 5087571, 5228490, 7668055, 8479285, 9201666, 10175142, 15336110, 16958570, 23004165, 25437855, 46008330, 50875710, 673255229, 1346510458, 2019765687, 3366276145, 4039531374, 6732552290, 10098828435, 20197656870]

約数ペア:

[(1, 20197656870), (2, 10098828435), (3, 6732552290), (5, 4039531374), (6, 3366276145), (10, 2019765687), (15, 1346510458), (30, 673255229), (397, 50875710), (439, 46008330), (794, 25437855), (878, 23004165), (1191, 16958570), (1317, 15336110), (1985, 10175142), (2195, 9201666), (2382, 8479285), (2634, 7668055), (3863, 5228490), (3970, 5087571), (4390, 4600833), (5955, 3391714), (6585, 3067222), (7726, 2614245), (11589, 1742830), (11910, 1695857), (13170, 1533611), (19315, 1045698), (23178, 871415), (38630, 522849), (57945, 348566), (115890, 174283)]