20805892

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 41150592

約数和(自身を除く): 20344700

約数列:

[1, 2, 4, 17, 23, 34, 46, 53, 68, 92, 106, 212, 251, 391, 502, 782, 901, 1004, 1219, 1564, 1802, 2438, 3604, 4267, 4876, 5773, 8534, 11546, 13303, 17068, 20723, 23092, 26606, 41446, 53212, 82892, 98141, 196282, 226151, 305969, 392564, 452302, 611938, 904604, 1223876, 5201473, 10402946, 20805892]

約数ペア:

[(1, 20805892), (2, 10402946), (4, 5201473), (17, 1223876), (23, 904604), (34, 611938), (46, 452302), (53, 392564), (68, 305969), (92, 226151), (106, 196282), (212, 98141), (251, 82892), (391, 53212), (502, 41446), (782, 26606), (901, 23092), (1004, 20723), (1219, 17068), (1564, 13303), (1802, 11546), (2438, 8534), (3604, 5773), (4267, 4876)]