20962360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1063}}^1$

素因数の和:1120

約数の個数: 64

約数和(自身を含む): 51710400

約数和(自身を除く): 30748040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 136, 145, 170, 232, 290, 340, 493, 580, 680, 986, 1063, 1160, 1972, 2126, 2465, 3944, 4252, 4930, 5315, 8504, 9860, 10630, 18071, 19720, 21260, 30827, 36142, 42520, 61654, 72284, 90355, 123308, 144568, 154135, 180710, 246616, 308270, 361420, 524059, 616540, 722840, 1048118, 1233080, 2096236, 2620295, 4192472, 5240590, 10481180, 20962360]

約数ペア:

[(1, 20962360), (2, 10481180), (4, 5240590), (5, 4192472), (8, 2620295), (10, 2096236), (17, 1233080), (20, 1048118), (29, 722840), (34, 616540), (40, 524059), (58, 361420), (68, 308270), (85, 246616), (116, 180710), (136, 154135), (145, 144568), (170, 123308), (232, 90355), (290, 72284), (340, 61654), (493, 42520), (580, 36142), (680, 30827), (986, 21260), (1063, 19720), (1160, 18071), (1972, 10630), (2126, 9860), (2465, 8504), (3944, 5315), (4252, 4930)]