20355816

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1231}}^1$

素因数の和:1306

約数の個数: 64

約数和(自身を含む): 55883520

約数和(自身を除く): 35527704

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 53, 78, 104, 106, 156, 159, 212, 312, 318, 424, 636, 689, 1231, 1272, 1378, 2067, 2462, 2756, 3693, 4134, 4924, 5512, 7386, 8268, 9848, 14772, 16003, 16536, 29544, 32006, 48009, 64012, 65243, 96018, 128024, 130486, 192036, 195729, 260972, 384072, 391458, 521944, 782916, 848159, 1565832, 1696318, 2544477, 3392636, 5088954, 6785272, 10177908, 20355816]

約数ペア:

[(1, 20355816), (2, 10177908), (3, 6785272), (4, 5088954), (6, 3392636), (8, 2544477), (12, 1696318), (13, 1565832), (24, 848159), (26, 782916), (39, 521944), (52, 391458), (53, 384072), (78, 260972), (104, 195729), (106, 192036), (156, 130486), (159, 128024), (212, 96018), (312, 65243), (318, 64012), (424, 48009), (636, 32006), (689, 29544), (1231, 16536), (1272, 16003), (1378, 14772), (2067, 9848), (2462, 8268), (2756, 7386), (3693, 5512), (4134, 4924)]