20050170

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{311}}^1$

素因数の和:635

約数の個数: 64

約数和(自身を含む): 55351296

約数和(自身を除く): 35301126

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 307, 311, 614, 622, 921, 933, 1535, 1555, 1842, 1866, 2149, 2177, 3070, 3110, 4298, 4354, 4605, 4665, 6447, 6531, 9210, 9330, 10745, 10885, 12894, 13062, 21490, 21770, 32235, 32655, 64470, 65310, 95477, 190954, 286431, 477385, 572862, 668339, 954770, 1336678, 1432155, 2005017, 2864310, 3341695, 4010034, 6683390, 10025085, 20050170]

約数ペア:

[(1, 20050170), (2, 10025085), (3, 6683390), (5, 4010034), (6, 3341695), (7, 2864310), (10, 2005017), (14, 1432155), (15, 1336678), (21, 954770), (30, 668339), (35, 572862), (42, 477385), (70, 286431), (105, 190954), (210, 95477), (307, 65310), (311, 64470), (614, 32655), (622, 32235), (921, 21770), (933, 21490), (1535, 13062), (1555, 12894), (1842, 10885), (1866, 10745), (2149, 9330), (2177, 9210), (3070, 6531), (3110, 6447), (4298, 4665), (4354, 4605)]