20403880065

素因数分解:

$3^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{811}}^1\times {\mathrm{1069}}^1$

素因数の和:2414

約数の個数: 48

約数和(自身を含む): 35511228480

約数和(自身を除く): 15107348415

約数列:

[1, 3, 5, 9, 15, 45, 523, 811, 1069, 1569, 2433, 2615, 3207, 4055, 4707, 5345, 7299, 7845, 9621, 12165, 16035, 23535, 36495, 48105, 424153, 559087, 866959, 1272459, 1677261, 2120765, 2600877, 2795435, 3817377, 4334795, 5031783, 6362295, 7802631, 8386305, 13004385, 19086885, 25158915, 39013155, 453419557, 1360258671, 2267097785, 4080776013, 6801293355, 20403880065]

約数ペア:

[(1, 20403880065), (3, 6801293355), (5, 4080776013), (9, 2267097785), (15, 1360258671), (45, 453419557), (523, 39013155), (811, 25158915), (1069, 19086885), (1569, 13004385), (2433, 8386305), (2615, 7802631), (3207, 6362295), (4055, 5031783), (4707, 4334795), (5345, 3817377), (7299, 2795435), (7845, 2600877), (9621, 2120765), (12165, 1677261), (16035, 1272459), (23535, 866959), (36495, 559087), (48105, 424153)]