20170704952

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{1061}}^1\times {\mathrm{139787}}^1$

素因数の和:140871

約数の個数: 32

約数和(自身を含む): 40082811120

約数和(自身を除く): 19912106168

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 1061, 2122, 4244, 8488, 18037, 36074, 72148, 139787, 144296, 279574, 559148, 1118296, 2376379, 4752758, 9505516, 19011032, 148314007, 296628014, 593256028, 1186512056, 2521338119, 5042676238, 10085352476, 20170704952]

約数ペア:

[(1, 20170704952), (2, 10085352476), (4, 5042676238), (8, 2521338119), (17, 1186512056), (34, 593256028), (68, 296628014), (136, 148314007), (1061, 19011032), (2122, 9505516), (4244, 4752758), (8488, 2376379), (18037, 1118296), (36074, 559148), (72148, 279574), (139787, 144296)]