20778888540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3236587}}^1$

素因数の和:3236706

約数の個数: 48

約数和(自身を含む): 58724652672

約数和(自身を除く): 37945764132

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 3210, 6420, 3236587, 6473174, 9709761, 12946348, 16182935, 19419522, 32365870, 38839044, 48548805, 64731740, 97097610, 194195220, 346314809, 692629618, 1038944427, 1385259236, 1731574045, 2077888854, 3463148090, 4155777708, 5194722135, 6926296180, 10389444270, 20778888540]

約数ペア:

[(1, 20778888540), (2, 10389444270), (3, 6926296180), (4, 5194722135), (5, 4155777708), (6, 3463148090), (10, 2077888854), (12, 1731574045), (15, 1385259236), (20, 1038944427), (30, 692629618), (60, 346314809), (107, 194195220), (214, 97097610), (321, 64731740), (428, 48548805), (535, 38839044), (642, 32365870), (1070, 19419522), (1284, 16182935), (1605, 12946348), (2140, 9709761), (3210, 6473174), (6420, 3236587)]