20199333930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1\times {\mathrm{821}}^1$

素因数の和:1232

約数の個数: 128

約数和(自身を含む): 51186110976

約数和(自身を除く): 30986777046

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 181, 197, 230, 345, 362, 394, 543, 591, 690, 821, 905, 985, 1086, 1182, 1642, 1810, 1970, 2463, 2715, 2955, 4105, 4163, 4531, 4926, 5430, 5910, 8210, 8326, 9062, 12315, 12489, 13593, 18883, 20815, 22655, 24630, 24978, 27186, 35657, 37766, 41630, 45310, 56649, 62445, 67965, 71314, 94415, 106971, 113298, 124890, 135930, 148601, 161737, 178285, 188830, 213942, 283245, 297202, 323474, 356570, 445803, 485211, 534855, 566490, 743005, 808685, 820111, 891606, 970422, 1069710, 1486010, 1617370, 1640222, 2229015, 2426055, 2460333, 3417823, 3719951, 4100555, 4458030, 4852110, 4920666, 6835646, 7439902, 8201110, 10253469, 11159853, 12301665, 17089115, 18599755, 20506938, 22319706, 24603330, 29274397, 34178230, 37199510, 51267345, 55799265, 58548794, 87823191, 102534690, 111598530, 146371985, 175646382, 292743970, 439115955, 673311131, 878231910, 1346622262, 2019933393, 3366555655, 4039866786, 6733111310, 10099666965, 20199333930]

約数ペア:

[(1, 20199333930), (2, 10099666965), (3, 6733111310), (5, 4039866786), (6, 3366555655), (10, 2019933393), (15, 1346622262), (23, 878231910), (30, 673311131), (46, 439115955), (69, 292743970), (115, 175646382), (138, 146371985), (181, 111598530), (197, 102534690), (230, 87823191), (345, 58548794), (362, 55799265), (394, 51267345), (543, 37199510), (591, 34178230), (690, 29274397), (821, 24603330), (905, 22319706), (985, 20506938), (1086, 18599755), (1182, 17089115), (1642, 12301665), (1810, 11159853), (1970, 10253469), (2463, 8201110), (2715, 7439902), (2955, 6835646), (4105, 4920666), (4163, 4852110), (4531, 4458030), (4926, 4100555), (5430, 3719951), (5910, 3417823), (8210, 2460333), (8326, 2426055), (9062, 2229015), (12315, 1640222), (12489, 1617370), (13593, 1486010), (18883, 1069710), (20815, 970422), (22655, 891606), (24630, 820111), (24978, 808685), (27186, 743005), (35657, 566490), (37766, 534855), (41630, 485211), (45310, 445803), (56649, 356570), (62445, 323474), (67965, 297202), (71314, 283245), (94415, 213942), (106971, 188830), (113298, 178285), (124890, 161737), (135930, 148601)]