20120490201

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1193}}^1\times {\mathrm{3701}}^1$

素因数の和:4942

約数の個数: 48

約数和(自身を含む): 32249691648

約数和(自身を除く): 12129201447

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1193, 1519, 3579, 3701, 4557, 8351, 11103, 25053, 25907, 36983, 58457, 77721, 110949, 114731, 175371, 181349, 258881, 344193, 544047, 776643, 803117, 1812167, 2409351, 4415293, 5436501, 5621819, 13245879, 16865457, 30907051, 92721153, 136874083, 216349357, 410622249, 649048071, 958118581, 2874355743, 6706830067, 20120490201]

約数ペア:

[(1, 20120490201), (3, 6706830067), (7, 2874355743), (21, 958118581), (31, 649048071), (49, 410622249), (93, 216349357), (147, 136874083), (217, 92721153), (651, 30907051), (1193, 16865457), (1519, 13245879), (3579, 5621819), (3701, 5436501), (4557, 4415293), (8351, 2409351), (11103, 1812167), (25053, 803117), (25907, 776643), (36983, 544047), (58457, 344193), (77721, 258881), (110949, 181349), (114731, 175371)]