20199451728

素因数分解:

$2^4\times 3^1\times {\mathrm{131}}^1\times {\mathrm{3212381}}^1$

素因数の和:3212523

約数の個数: 40

約数和(自身を含む): 52580268576

約数和(自身を除く): 32380816848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 131, 262, 393, 524, 786, 1048, 1572, 2096, 3144, 6288, 3212381, 6424762, 9637143, 12849524, 19274286, 25699048, 38548572, 51398096, 77097144, 154194288, 420821911, 841643822, 1262465733, 1683287644, 2524931466, 3366575288, 5049862932, 6733150576, 10099725864, 20199451728]

約数ペア:

[(1, 20199451728), (2, 10099725864), (3, 6733150576), (4, 5049862932), (6, 3366575288), (8, 2524931466), (12, 1683287644), (16, 1262465733), (24, 841643822), (48, 420821911), (131, 154194288), (262, 77097144), (393, 51398096), (524, 38548572), (786, 25699048), (1048, 19274286), (1572, 12849524), (2096, 9637143), (3144, 6424762), (6288, 3212381)]