20227450

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{449}}^1$

素因数の和:531

約数の個数: 48

約数和(自身を含む): 40678200

約数和(自身を除く): 20450750

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 53, 85, 106, 170, 265, 425, 449, 530, 850, 898, 901, 1325, 1802, 2245, 2650, 4490, 4505, 7633, 9010, 11225, 15266, 22450, 22525, 23797, 38165, 45050, 47594, 76330, 118985, 190825, 237970, 381650, 404549, 594925, 809098, 1189850, 2022745, 4045490, 10113725, 20227450]

約数ペア:

[(1, 20227450), (2, 10113725), (5, 4045490), (10, 2022745), (17, 1189850), (25, 809098), (34, 594925), (50, 404549), (53, 381650), (85, 237970), (106, 190825), (170, 118985), (265, 76330), (425, 47594), (449, 45050), (530, 38165), (850, 23797), (898, 22525), (901, 22450), (1325, 15266), (1802, 11225), (2245, 9010), (2650, 7633), (4490, 4505)]