20128592

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:348

約数の個数: 60

約数和(自身を含む): 44182068

約数和(自身を除く): 24053476

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 44, 74, 88, 121, 148, 176, 242, 281, 296, 407, 484, 562, 592, 814, 968, 1124, 1628, 1936, 2248, 3091, 3256, 4477, 4496, 6182, 6512, 8954, 10397, 12364, 17908, 20794, 24728, 34001, 35816, 41588, 49456, 68002, 71632, 83176, 114367, 136004, 166352, 228734, 272008, 457468, 544016, 914936, 1258037, 1829872, 2516074, 5032148, 10064296, 20128592]

約数ペア:

[(1, 20128592), (2, 10064296), (4, 5032148), (8, 2516074), (11, 1829872), (16, 1258037), (22, 914936), (37, 544016), (44, 457468), (74, 272008), (88, 228734), (121, 166352), (148, 136004), (176, 114367), (242, 83176), (281, 71632), (296, 68002), (407, 49456), (484, 41588), (562, 35816), (592, 34001), (814, 24728), (968, 20794), (1124, 17908), (1628, 12364), (1936, 10397), (2248, 8954), (3091, 6512), (3256, 6182), (4477, 4496)]