20452901140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2251}}^1\times {\mathrm{64901}}^1$

素因数の和:67168

約数の個数: 48

約数和(自身を含む): 49109526144

約数和(自身を除く): 28656625004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2251, 4502, 9004, 11255, 15757, 22510, 31514, 45020, 63028, 64901, 78785, 129802, 157570, 259604, 315140, 324505, 454307, 649010, 908614, 1298020, 1817228, 2271535, 4543070, 9086140, 146092151, 292184302, 584368604, 730460755, 1022645057, 1460921510, 2045290114, 2921843020, 4090580228, 5113225285, 10226450570, 20452901140]

約数ペア:

[(1, 20452901140), (2, 10226450570), (4, 5113225285), (5, 4090580228), (7, 2921843020), (10, 2045290114), (14, 1460921510), (20, 1022645057), (28, 730460755), (35, 584368604), (70, 292184302), (140, 146092151), (2251, 9086140), (4502, 4543070), (9004, 2271535), (11255, 1817228), (15757, 1298020), (22510, 908614), (31514, 649010), (45020, 454307), (63028, 324505), (64901, 315140), (78785, 259604), (129802, 157570)]