20990616

素因数分解:

$2^3\times 3^1\times {\mathrm{79}}^1\times {\mathrm{11071}}^1$

素因数の和:11159

約数の個数: 32

約数和(自身を含む): 53145600

約数和(自身を除く): 32154984

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 79, 158, 237, 316, 474, 632, 948, 1896, 11071, 22142, 33213, 44284, 66426, 88568, 132852, 265704, 874609, 1749218, 2623827, 3498436, 5247654, 6996872, 10495308, 20990616]

約数ペア:

[(1, 20990616), (2, 10495308), (3, 6996872), (4, 5247654), (6, 3498436), (8, 2623827), (12, 1749218), (24, 874609), (79, 265704), (158, 132852), (237, 88568), (316, 66426), (474, 44284), (632, 33213), (948, 22142), (1896, 11071)]