20121664038

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1489}}^1\times {\mathrm{321751}}^1$

素因数の和:323252

約数の個数: 32

約数和(自身を含む): 46023406080

約数和(自身を除く): 25901742042

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1489, 2978, 4467, 8934, 10423, 20846, 31269, 62538, 321751, 643502, 965253, 1930506, 2252257, 4504514, 6756771, 13513542, 479087239, 958174478, 1437261717, 2874523434, 3353610673, 6707221346, 10060832019, 20121664038]

約数ペア:

[(1, 20121664038), (2, 10060832019), (3, 6707221346), (6, 3353610673), (7, 2874523434), (14, 1437261717), (21, 958174478), (42, 479087239), (1489, 13513542), (2978, 6756771), (4467, 4504514), (8934, 2252257), (10423, 1930506), (20846, 965253), (31269, 643502), (62538, 321751)]