18820020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18451}}^1$

素因数の和:18480

約数の個数: 48

約数和(自身を含む): 55798848

約数和(自身を除く): 36978828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 18451, 36902, 55353, 73804, 92255, 110706, 184510, 221412, 276765, 313667, 369020, 553530, 627334, 941001, 1107060, 1254668, 1568335, 1882002, 3136670, 3764004, 4705005, 6273340, 9410010, 18820020]

約数ペア:

[(1, 18820020), (2, 9410010), (3, 6273340), (4, 4705005), (5, 3764004), (6, 3136670), (10, 1882002), (12, 1568335), (15, 1254668), (17, 1107060), (20, 941001), (30, 627334), (34, 553530), (51, 369020), (60, 313667), (68, 276765), (85, 221412), (102, 184510), (170, 110706), (204, 92255), (255, 73804), (340, 55353), (510, 36902), (1020, 18451)]