20378712

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{433}}^1$

素因数の和:532

約数の個数: 64

約数和(自身を含む): 53434080

約数和(自身を除く): 33055368

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 53, 74, 106, 111, 148, 159, 212, 222, 296, 318, 424, 433, 444, 636, 866, 888, 1272, 1299, 1732, 1961, 2598, 3464, 3922, 5196, 5883, 7844, 10392, 11766, 15688, 16021, 22949, 23532, 32042, 45898, 47064, 48063, 64084, 68847, 91796, 96126, 128168, 137694, 183592, 192252, 275388, 384504, 550776, 849113, 1698226, 2547339, 3396452, 5094678, 6792904, 10189356, 20378712]

約数ペア:

[(1, 20378712), (2, 10189356), (3, 6792904), (4, 5094678), (6, 3396452), (8, 2547339), (12, 1698226), (24, 849113), (37, 550776), (53, 384504), (74, 275388), (106, 192252), (111, 183592), (148, 137694), (159, 128168), (212, 96126), (222, 91796), (296, 68847), (318, 64084), (424, 48063), (433, 47064), (444, 45898), (636, 32042), (866, 23532), (888, 22949), (1272, 16021), (1299, 15688), (1732, 11766), (1961, 10392), (2598, 7844), (3464, 5883), (3922, 5196)]