20592015

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3511}}^1$

素因数の和:3559

約数の個数: 32

約数和(自身を含む): 36412416

約数和(自身を除く): 15820401

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 345, 391, 1173, 1955, 3511, 5865, 10533, 17555, 52665, 59687, 80753, 179061, 242259, 298435, 403765, 895305, 1211295, 1372801, 4118403, 6864005, 20592015]

約数ペア:

[(1, 20592015), (3, 6864005), (5, 4118403), (15, 1372801), (17, 1211295), (23, 895305), (51, 403765), (69, 298435), (85, 242259), (115, 179061), (255, 80753), (345, 59687), (391, 52665), (1173, 17555), (1955, 10533), (3511, 5865)]