20984772

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{313}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 50782592

約数和(自身を除く): 29797820

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 151, 222, 302, 313, 444, 453, 604, 626, 906, 939, 1252, 1812, 1878, 3756, 5587, 11174, 11581, 16761, 22348, 23162, 33522, 34743, 46324, 47263, 67044, 69486, 94526, 138972, 141789, 189052, 283578, 567156, 1748731, 3497462, 5246193, 6994924, 10492386, 20984772]

約数ペア:

[(1, 20984772), (2, 10492386), (3, 6994924), (4, 5246193), (6, 3497462), (12, 1748731), (37, 567156), (74, 283578), (111, 189052), (148, 141789), (151, 138972), (222, 94526), (302, 69486), (313, 67044), (444, 47263), (453, 46324), (604, 34743), (626, 33522), (906, 23162), (939, 22348), (1252, 16761), (1812, 11581), (1878, 11174), (3756, 5587)]