20353528

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 43868160

約数和(自身を除く): 23514632

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 67, 92, 104, 127, 134, 184, 254, 268, 299, 508, 536, 598, 871, 1016, 1196, 1541, 1651, 1742, 2392, 2921, 3082, 3302, 3484, 5842, 6164, 6604, 6968, 8509, 11684, 12328, 13208, 17018, 20033, 23368, 34036, 37973, 40066, 68072, 75946, 80132, 110617, 151892, 160264, 195707, 221234, 303784, 391414, 442468, 782828, 884936, 1565656, 2544191, 5088382, 10176764, 20353528]

約数ペア:

[(1, 20353528), (2, 10176764), (4, 5088382), (8, 2544191), (13, 1565656), (23, 884936), (26, 782828), (46, 442468), (52, 391414), (67, 303784), (92, 221234), (104, 195707), (127, 160264), (134, 151892), (184, 110617), (254, 80132), (268, 75946), (299, 68072), (508, 40066), (536, 37973), (598, 34036), (871, 23368), (1016, 20033), (1196, 17018), (1541, 13208), (1651, 12328), (1742, 11684), (2392, 8509), (2921, 6968), (3082, 6604), (3302, 6164), (3484, 5842)]