20544916

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{2833}}^1$

素因数の和:2888

約数の個数: 36

約数和(自身を含む): 42969108

約数和(自身を除く): 22424192

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 518, 1036, 1813, 2833, 3626, 5666, 7252, 11332, 19831, 39662, 79324, 104821, 138817, 209642, 277634, 419284, 555268, 733747, 1467494, 2934988, 5136229, 10272458, 20544916]

約数ペア:

[(1, 20544916), (2, 10272458), (4, 5136229), (7, 2934988), (14, 1467494), (28, 733747), (37, 555268), (49, 419284), (74, 277634), (98, 209642), (148, 138817), (196, 104821), (259, 79324), (518, 39662), (1036, 19831), (1813, 11332), (2833, 7252), (3626, 5666)]