20123486512

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{141269}}^1$

素因数の和:141613

約数の個数: 40

約数和(自身を含む): 40465378800

約数和(自身を除く): 20341892288

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 307, 464, 614, 1228, 2456, 4912, 8903, 17806, 35612, 71224, 141269, 142448, 282538, 565076, 1130152, 2260304, 4096801, 8193602, 16387204, 32774408, 43369583, 65548816, 86739166, 173478332, 346956664, 693913328, 1257717907, 2515435814, 5030871628, 10061743256, 20123486512]

約数ペア:

[(1, 20123486512), (2, 10061743256), (4, 5030871628), (8, 2515435814), (16, 1257717907), (29, 693913328), (58, 346956664), (116, 173478332), (232, 86739166), (307, 65548816), (464, 43369583), (614, 32774408), (1228, 16387204), (2456, 8193602), (4912, 4096801), (8903, 2260304), (17806, 1130152), (35612, 565076), (71224, 282538), (141269, 142448)]