20567856

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^2\times {\mathrm{313}}^1$

素因数の和:398

約数の個数: 60

約数和(自身を含む): 54782952

約数和(自身を除く): 34215096

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 222, 296, 313, 444, 592, 626, 888, 939, 1252, 1369, 1776, 1878, 2504, 2738, 3756, 4107, 5008, 5476, 7512, 8214, 10952, 11581, 15024, 16428, 21904, 23162, 32856, 34743, 46324, 65712, 69486, 92648, 138972, 185296, 277944, 428497, 555888, 856994, 1285491, 1713988, 2570982, 3427976, 5141964, 6855952, 10283928, 20567856]

約数ペア:

[(1, 20567856), (2, 10283928), (3, 6855952), (4, 5141964), (6, 3427976), (8, 2570982), (12, 1713988), (16, 1285491), (24, 856994), (37, 555888), (48, 428497), (74, 277944), (111, 185296), (148, 138972), (222, 92648), (296, 69486), (313, 65712), (444, 46324), (592, 34743), (626, 32856), (888, 23162), (939, 21904), (1252, 16428), (1369, 15024), (1776, 11581), (1878, 10952), (2504, 8214), (2738, 7512), (3756, 5476), (4107, 5008)]