20171738461

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1277}}^1\times {\mathrm{2393}}^1$

素因数の和:3741

約数の個数: 32

約数和(自身を含む): 24672066048

約数和(自身を除く): 4500327587

約数列:

[1, 7, 23, 41, 161, 287, 943, 1277, 2393, 6601, 8939, 16751, 29371, 52357, 55039, 98113, 205597, 366499, 385273, 686791, 1204211, 2256599, 3055861, 8429477, 15796193, 21391027, 70284803, 125290301, 491993621, 877032107, 2881676923, 20171738461]

約数ペア:

[(1, 20171738461), (7, 2881676923), (23, 877032107), (41, 491993621), (161, 125290301), (287, 70284803), (943, 21391027), (1277, 15796193), (2393, 8429477), (6601, 3055861), (8939, 2256599), (16751, 1204211), (29371, 686791), (52357, 385273), (55039, 366499), (98113, 205597)]