20376765

素因数分解:

$3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1$

素因数の和:592

約数の個数: 48

約数和(自身を含む): 37879296

約数和(自身を除く): 17502531

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 243, 279, 405, 465, 541, 837, 1215, 1395, 1623, 2511, 2705, 4185, 4869, 7533, 8115, 12555, 14607, 16771, 24345, 37665, 43821, 50313, 73035, 83855, 131463, 150939, 219105, 251565, 452817, 657315, 754695, 1358451, 2264085, 4075353, 6792255, 20376765]

約数ペア:

[(1, 20376765), (3, 6792255), (5, 4075353), (9, 2264085), (15, 1358451), (27, 754695), (31, 657315), (45, 452817), (81, 251565), (93, 219105), (135, 150939), (155, 131463), (243, 83855), (279, 73035), (405, 50313), (465, 43821), (541, 37665), (837, 24345), (1215, 16771), (1395, 14607), (1623, 12555), (2511, 8115), (2705, 7533), (4185, 4869)]