20503377

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4621}}^1$

素因数の和:4673

約数の個数: 24

約数和(自身を含む): 32446440

約数和(自身を除く): 11943063

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 493, 1479, 4437, 4621, 13863, 41589, 78557, 134009, 235671, 402027, 707013, 1206081, 2278153, 6834459, 20503377]

約数ペア:

[(1, 20503377), (3, 6834459), (9, 2278153), (17, 1206081), (29, 707013), (51, 402027), (87, 235671), (153, 134009), (261, 78557), (493, 41589), (1479, 13863), (4437, 4621)]