20406795

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{443}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 34013952

約数和(自身を除く): 13607157

約数列:

[1, 3, 5, 15, 37, 83, 111, 185, 249, 415, 443, 555, 1245, 1329, 2215, 3071, 6645, 9213, 15355, 16391, 36769, 46065, 49173, 81955, 110307, 183845, 245865, 551535, 1360453, 4081359, 6802265, 20406795]

約数ペア:

[(1, 20406795), (3, 6802265), (5, 4081359), (15, 1360453), (37, 551535), (83, 245865), (111, 183845), (185, 110307), (249, 81955), (415, 49173), (443, 46065), (555, 36769), (1245, 16391), (1329, 15355), (2215, 9213), (3071, 6645)]