20147980090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{907}}^1\times {\mathrm{1171}}^1$

素因数の和:2363

約数の個数: 64

約数和(自身を含む): 41681645568

約数和(自身を除く): 21533665478

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 271, 542, 907, 1171, 1355, 1814, 1897, 2342, 2710, 3794, 4535, 5855, 6349, 8197, 9070, 9485, 11710, 12698, 16394, 18970, 31745, 40985, 63490, 81970, 245797, 317341, 491594, 634682, 1062097, 1228985, 1586705, 1720579, 2124194, 2221387, 2457970, 3173410, 3441158, 4442774, 5310485, 7434679, 8602895, 10620970, 11106935, 14869358, 17205790, 22213870, 37173395, 74346790, 287828287, 575656574, 1439141435, 2014798009, 2878282870, 4029596018, 10073990045, 20147980090]

約数ペア:

[(1, 20147980090), (2, 10073990045), (5, 4029596018), (7, 2878282870), (10, 2014798009), (14, 1439141435), (35, 575656574), (70, 287828287), (271, 74346790), (542, 37173395), (907, 22213870), (1171, 17205790), (1355, 14869358), (1814, 11106935), (1897, 10620970), (2342, 8602895), (2710, 7434679), (3794, 5310485), (4535, 4442774), (5855, 3441158), (6349, 3173410), (8197, 2457970), (9070, 2221387), (9485, 2124194), (11710, 1720579), (12698, 1586705), (16394, 1228985), (18970, 1062097), (31745, 634682), (40985, 491594), (63490, 317341), (81970, 245797)]