20266220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3389}}^1$

素因数の和:3434

約数の個数: 48

約数和(自身を含む): 47839680

約数和(自身を除く): 27573460

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 3389, 5980, 6778, 13556, 16945, 33890, 44057, 67780, 77947, 88114, 155894, 176228, 220285, 311788, 389735, 440570, 779470, 881140, 1013311, 1558940, 2026622, 4053244, 5066555, 10133110, 20266220]

約数ペア:

[(1, 20266220), (2, 10133110), (4, 5066555), (5, 4053244), (10, 2026622), (13, 1558940), (20, 1013311), (23, 881140), (26, 779470), (46, 440570), (52, 389735), (65, 311788), (92, 220285), (115, 176228), (130, 155894), (230, 88114), (260, 77947), (299, 67780), (460, 44057), (598, 33890), (1196, 16945), (1495, 13556), (2990, 6778), (3389, 5980)]