20717367531

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{15923}}^1$

素因数の和:16160

約数の個数: 48

約数和(自身を含む): 32937456384

約数和(自身を除く): 12220088853

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 167, 371, 501, 1113, 1169, 2597, 3507, 7791, 8183, 8851, 15923, 24549, 26553, 47769, 61957, 111461, 185871, 334383, 433699, 780227, 843919, 1301097, 2340681, 2531757, 2659141, 5907433, 7977423, 17722299, 18613987, 41352031, 55841961, 124056093, 130297909, 140934473, 390893727, 422803419, 986541311, 2959623933, 6905789177, 20717367531]

約数ペア:

[(1, 20717367531), (3, 6905789177), (7, 2959623933), (21, 986541311), (49, 422803419), (53, 390893727), (147, 140934473), (159, 130297909), (167, 124056093), (371, 55841961), (501, 41352031), (1113, 18613987), (1169, 17722299), (2597, 7977423), (3507, 5907433), (7791, 2659141), (8183, 2531757), (8851, 2340681), (15923, 1301097), (24549, 843919), (26553, 780227), (47769, 433699), (61957, 334383), (111461, 185871)]