20342078420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1\times {\mathrm{129419}}^1$

素因数の和:129728

約数の個数: 48

約数和(自身を含む): 44354822400

約数和(自身を除く): 24012743980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 271, 290, 542, 580, 1084, 1355, 2710, 5420, 7859, 15718, 31436, 39295, 78590, 129419, 157180, 258838, 517676, 647095, 1294190, 2588380, 3753151, 7506302, 15012604, 18765755, 35072549, 37531510, 70145098, 75063020, 140290196, 175362745, 350725490, 701450980, 1017103921, 2034207842, 4068415684, 5085519605, 10171039210, 20342078420]

約数ペア:

[(1, 20342078420), (2, 10171039210), (4, 5085519605), (5, 4068415684), (10, 2034207842), (20, 1017103921), (29, 701450980), (58, 350725490), (116, 175362745), (145, 140290196), (271, 75063020), (290, 70145098), (542, 37531510), (580, 35072549), (1084, 18765755), (1355, 15012604), (2710, 7506302), (5420, 3753151), (7859, 2588380), (15718, 1294190), (31436, 647095), (39295, 517676), (78590, 258838), (129419, 157180)]