20785098740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{347}}^1\times {\mathrm{5861}}^1$

素因数の和:6297

約数の個数: 96

約数和(自身を含む): 50721963264

約数和(自身を除く): 29936864524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 347, 365, 511, 694, 730, 1022, 1388, 1460, 1735, 2044, 2429, 2555, 3470, 4858, 5110, 5861, 6940, 9716, 10220, 11722, 12145, 23444, 24290, 25331, 29305, 41027, 48580, 50662, 58610, 82054, 101324, 117220, 126655, 164108, 177317, 205135, 253310, 354634, 410270, 427853, 506620, 709268, 820540, 855706, 886585, 1711412, 1773170, 2033767, 2139265, 2994971, 3546340, 4067534, 4278530, 5989942, 8135068, 8557060, 10168835, 11979884, 14236369, 14974855, 20337670, 28472738, 29949710, 40675340, 56945476, 59899420, 71181845, 142363690, 148464991, 284727380, 296929982, 593859964, 742324955, 1039254937, 1484649910, 2078509874, 2969299820, 4157019748, 5196274685, 10392549370, 20785098740]

約数ペア:

[(1, 20785098740), (2, 10392549370), (4, 5196274685), (5, 4157019748), (7, 2969299820), (10, 2078509874), (14, 1484649910), (20, 1039254937), (28, 742324955), (35, 593859964), (70, 296929982), (73, 284727380), (140, 148464991), (146, 142363690), (292, 71181845), (347, 59899420), (365, 56945476), (511, 40675340), (694, 29949710), (730, 28472738), (1022, 20337670), (1388, 14974855), (1460, 14236369), (1735, 11979884), (2044, 10168835), (2429, 8557060), (2555, 8135068), (3470, 5989942), (4858, 4278530), (5110, 4067534), (5861, 3546340), (6940, 2994971), (9716, 2139265), (10220, 2033767), (11722, 1773170), (12145, 1711412), (23444, 886585), (24290, 855706), (25331, 820540), (29305, 709268), (41027, 506620), (48580, 427853), (50662, 410270), (58610, 354634), (82054, 253310), (101324, 205135), (117220, 177317), (126655, 164108)]