20580098

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1123}}^1$

素因数の和:1167

約数の個数: 48

約数和(自身を含む): 41516064

約数和(自身を除く): 20935966

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 49, 77, 98, 119, 154, 187, 238, 374, 539, 833, 1078, 1123, 1309, 1666, 2246, 2618, 7861, 9163, 12353, 15722, 18326, 19091, 24706, 38182, 55027, 86471, 110054, 133637, 172942, 210001, 267274, 420002, 605297, 935459, 1210594, 1470007, 1870918, 2940014, 10290049, 20580098]

約数ペア:

[(1, 20580098), (2, 10290049), (7, 2940014), (11, 1870918), (14, 1470007), (17, 1210594), (22, 935459), (34, 605297), (49, 420002), (77, 267274), (98, 210001), (119, 172942), (154, 133637), (187, 110054), (238, 86471), (374, 55027), (539, 38182), (833, 24706), (1078, 19091), (1123, 18326), (1309, 15722), (1666, 12353), (2246, 9163), (2618, 7861)]