20171644620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2566367}}^1$

素因数の和:2566510

約数の個数: 48

約数和(自身を含む): 56911776768

約数和(自身を除く): 36740132148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2620, 3930, 7860, 2566367, 5132734, 7699101, 10265468, 12831835, 15398202, 25663670, 30796404, 38495505, 51327340, 76991010, 153982020, 336194077, 672388154, 1008582231, 1344776308, 1680970385, 2017164462, 3361940770, 4034328924, 5042911155, 6723881540, 10085822310, 20171644620]

約数ペア:

[(1, 20171644620), (2, 10085822310), (3, 6723881540), (4, 5042911155), (5, 4034328924), (6, 3361940770), (10, 2017164462), (12, 1680970385), (15, 1344776308), (20, 1008582231), (30, 672388154), (60, 336194077), (131, 153982020), (262, 76991010), (393, 51327340), (524, 38495505), (655, 30796404), (786, 25663670), (1310, 15398202), (1572, 12831835), (1965, 10265468), (2620, 7699101), (3930, 5132734), (7860, 2566367)]