20119088

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1447}}^1$

素因数の和:1545

約数の個数: 40

約数和(自身を含む): 43092480

約数和(自身を除く): 22973392

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 79, 88, 158, 176, 316, 632, 869, 1264, 1447, 1738, 2894, 3476, 5788, 6952, 11576, 13904, 15917, 23152, 31834, 63668, 114313, 127336, 228626, 254672, 457252, 914504, 1257443, 1829008, 2514886, 5029772, 10059544, 20119088]

約数ペア:

[(1, 20119088), (2, 10059544), (4, 5029772), (8, 2514886), (11, 1829008), (16, 1257443), (22, 914504), (44, 457252), (79, 254672), (88, 228626), (158, 127336), (176, 114313), (316, 63668), (632, 31834), (869, 23152), (1264, 15917), (1447, 13904), (1738, 11576), (2894, 6952), (3476, 5788)]