20168064861

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{433}}^1\times {\mathrm{1151}}^1$

素因数の和:1682

約数の個数: 64

約数和(自身を含む): 32253935616

約数和(自身を除く): 12085870755

約数列:

[1, 3, 7, 21, 41, 47, 123, 141, 287, 329, 433, 861, 987, 1151, 1299, 1927, 3031, 3453, 5781, 8057, 9093, 13489, 17753, 20351, 24171, 40467, 47191, 53259, 54097, 61053, 124271, 141573, 142457, 162291, 330337, 372813, 378679, 427371, 498383, 834391, 991011, 1136037, 1495149, 2217977, 2503173, 3488681, 5840737, 6653931, 10466043, 15525839, 17522211, 20433703, 23424001, 46577517, 61301109, 70272003, 143035921, 163968007, 429107763, 491904021, 960384041, 2881152123, 6722688287, 20168064861]

約数ペア:

[(1, 20168064861), (3, 6722688287), (7, 2881152123), (21, 960384041), (41, 491904021), (47, 429107763), (123, 163968007), (141, 143035921), (287, 70272003), (329, 61301109), (433, 46577517), (861, 23424001), (987, 20433703), (1151, 17522211), (1299, 15525839), (1927, 10466043), (3031, 6653931), (3453, 5840737), (5781, 3488681), (8057, 2503173), (9093, 2217977), (13489, 1495149), (17753, 1136037), (20351, 991011), (24171, 834391), (40467, 498383), (47191, 427371), (53259, 378679), (54097, 372813), (61053, 330337), (124271, 162291), (141573, 142457)]