20110485

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{557}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 33747840

約数和(自身を除く): 13637355

約数列:

[1, 3, 5, 15, 29, 83, 87, 145, 249, 415, 435, 557, 1245, 1671, 2407, 2785, 7221, 8355, 12035, 16153, 36105, 46231, 48459, 80765, 138693, 231155, 242295, 693465, 1340699, 4022097, 6703495, 20110485]

約数ペア:

[(1, 20110485), (3, 6703495), (5, 4022097), (15, 1340699), (29, 693465), (83, 242295), (87, 231155), (145, 138693), (249, 80765), (415, 48459), (435, 46231), (557, 36105), (1245, 16153), (1671, 12035), (2407, 8355), (2785, 7221)]