20216975345

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{1471}}^1$

素因数の和:1806

約数の個数: 64

約数和(自身を含む): 29302456320

約数和(自身を除く): 9085480975

約数列:

[1, 5, 7, 31, 35, 53, 155, 217, 239, 265, 371, 1085, 1195, 1471, 1643, 1673, 1855, 7355, 7409, 8215, 8365, 10297, 11501, 12667, 37045, 45601, 51485, 51863, 57505, 63335, 77963, 88669, 228005, 259315, 319207, 351569, 389815, 392677, 443345, 545741, 1596035, 1757845, 1963385, 2416853, 2460983, 2728705, 2748739, 10898639, 12084265, 12304915, 13743695, 16917971, 18633157, 54493195, 76290473, 84589855, 93165785, 130432099, 381452365, 577627867, 652160495, 2888139335, 4043395069, 20216975345]

約数ペア:

[(1, 20216975345), (5, 4043395069), (7, 2888139335), (31, 652160495), (35, 577627867), (53, 381452365), (155, 130432099), (217, 93165785), (239, 84589855), (265, 76290473), (371, 54493195), (1085, 18633157), (1195, 16917971), (1471, 13743695), (1643, 12304915), (1673, 12084265), (1855, 10898639), (7355, 2748739), (7409, 2728705), (8215, 2460983), (8365, 2416853), (10297, 1963385), (11501, 1757845), (12667, 1596035), (37045, 545741), (45601, 443345), (51485, 392677), (51863, 389815), (57505, 351569), (63335, 319207), (77963, 259315), (88669, 228005)]