20253508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 40360320

約数和(自身を除く): 20106812

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 103, 109, 164, 206, 218, 412, 436, 451, 902, 1133, 1199, 1804, 2266, 2398, 4223, 4469, 4532, 4796, 8446, 8938, 11227, 16892, 17876, 22454, 44908, 46453, 49159, 92906, 98318, 123497, 185812, 196636, 246994, 460307, 493988, 920614, 1841228, 5063377, 10126754, 20253508]

約数ペア:

[(1, 20253508), (2, 10126754), (4, 5063377), (11, 1841228), (22, 920614), (41, 493988), (44, 460307), (82, 246994), (103, 196636), (109, 185812), (164, 123497), (206, 98318), (218, 92906), (412, 49159), (436, 46453), (451, 44908), (902, 22454), (1133, 17876), (1199, 16892), (1804, 11227), (2266, 8938), (2398, 8446), (4223, 4796), (4469, 4532)]