20503695

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{577}}^1$

素因数の和:711

約数の個数: 32

約数和(自身を含む): 34624512

約数和(自身を除く): 14120817

約数列:

[1, 3, 5, 15, 23, 69, 103, 115, 309, 345, 515, 577, 1545, 1731, 2369, 2885, 7107, 8655, 11845, 13271, 35535, 39813, 59431, 66355, 178293, 199065, 297155, 891465, 1366913, 4100739, 6834565, 20503695]

約数ペア:

[(1, 20503695), (3, 6834565), (5, 4100739), (15, 1366913), (23, 891465), (69, 297155), (103, 199065), (115, 178293), (309, 66355), (345, 59431), (515, 39813), (577, 35535), (1545, 13271), (1731, 11845), (2369, 8655), (2885, 7107)]