20171954870

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{503}}^1\times {\mathrm{20357}}^1$

素因数の和:21064

約数の個数: 32

約数和(自身を含む): 36568179648

約数和(自身を除く): 16396224778

約数列:

[1, 2, 5, 10, 197, 394, 503, 985, 1006, 1970, 2515, 5030, 20357, 40714, 99091, 101785, 198182, 203570, 495455, 990910, 4010329, 8020658, 10239571, 20051645, 20479142, 40103290, 51197855, 102395710, 2017195487, 4034390974, 10085977435, 20171954870]

約数ペア:

[(1, 20171954870), (2, 10085977435), (5, 4034390974), (10, 2017195487), (197, 102395710), (394, 51197855), (503, 40103290), (985, 20479142), (1006, 20051645), (1970, 10239571), (2515, 8020658), (5030, 4010329), (20357, 990910), (40714, 495455), (99091, 203570), (101785, 198182)]