20060820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8573}}^1$

素因数の和:8601

約数の個数: 72

約数和(自身を含む): 65539656

約数和(自身を除く): 45478836

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 8573, 17146, 25719, 34292, 42865, 51438, 77157, 85730, 102876, 111449, 128595, 154314, 171460, 222898, 257190, 308628, 334347, 385785, 445796, 514380, 557245, 668694, 771570, 1003041, 1114490, 1337388, 1543140, 1671735, 2006082, 2228980, 3343470, 4012164, 5015205, 6686940, 10030410, 20060820]

約数ペア:

[(1, 20060820), (2, 10030410), (3, 6686940), (4, 5015205), (5, 4012164), (6, 3343470), (9, 2228980), (10, 2006082), (12, 1671735), (13, 1543140), (15, 1337388), (18, 1114490), (20, 1003041), (26, 771570), (30, 668694), (36, 557245), (39, 514380), (45, 445796), (52, 385785), (60, 334347), (65, 308628), (78, 257190), (90, 222898), (117, 171460), (130, 154314), (156, 128595), (180, 111449), (195, 102876), (234, 85730), (260, 77157), (390, 51438), (468, 42865), (585, 34292), (780, 25719), (1170, 17146), (2340, 8573)]