20138757966

素因数分解:

$2^1\times 3^2\times {\mathrm{103}}^1\times {\mathrm{521}}^1\times {\mathrm{20849}}^1$

素因数の和:21481

約数の個数: 48

約数和(自身を含む): 44144287200

約数和(自身を除く): 24005529234

約数列:

[1, 2, 3, 6, 9, 18, 103, 206, 309, 521, 618, 927, 1042, 1563, 1854, 3126, 4689, 9378, 20849, 41698, 53663, 62547, 107326, 125094, 160989, 187641, 321978, 375282, 482967, 965934, 2147447, 4294894, 6442341, 10862329, 12884682, 19327023, 21724658, 32586987, 38654046, 65173974, 97760961, 195521922, 1118819887, 2237639774, 3356459661, 6712919322, 10069378983, 20138757966]

約数ペア:

[(1, 20138757966), (2, 10069378983), (3, 6712919322), (6, 3356459661), (9, 2237639774), (18, 1118819887), (103, 195521922), (206, 97760961), (309, 65173974), (521, 38654046), (618, 32586987), (927, 21724658), (1042, 19327023), (1563, 12884682), (1854, 10862329), (3126, 6442341), (4689, 4294894), (9378, 2147447), (20849, 965934), (41698, 482967), (53663, 375282), (62547, 321978), (107326, 187641), (125094, 160989)]