20117470

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{353}}^1$

素因数の和:540

約数の個数: 32

約数和(自身を含む): 37467360

約数和(自身を除く): 17349890

約数列:

[1, 2, 5, 10, 41, 82, 139, 205, 278, 353, 410, 695, 706, 1390, 1765, 3530, 5699, 11398, 14473, 28495, 28946, 49067, 56990, 72365, 98134, 144730, 245335, 490670, 2011747, 4023494, 10058735, 20117470]

約数ペア:

[(1, 20117470), (2, 10058735), (5, 4023494), (10, 2011747), (41, 490670), (82, 245335), (139, 144730), (205, 98134), (278, 72365), (353, 56990), (410, 49067), (695, 28946), (706, 28495), (1390, 14473), (1765, 11398), (3530, 5699)]