20269168

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1733}}^1$

素因数の和:1801

約数の個数: 40

約数和(自身を含む): 42573168

約数和(自身を除く): 22304000

約数列:

[1, 2, 4, 8, 16, 17, 34, 43, 68, 86, 136, 172, 272, 344, 688, 731, 1462, 1733, 2924, 3466, 5848, 6932, 11696, 13864, 27728, 29461, 58922, 74519, 117844, 149038, 235688, 298076, 471376, 596152, 1192304, 1266823, 2533646, 5067292, 10134584, 20269168]

約数ペア:

[(1, 20269168), (2, 10134584), (4, 5067292), (8, 2533646), (16, 1266823), (17, 1192304), (34, 596152), (43, 471376), (68, 298076), (86, 235688), (136, 149038), (172, 117844), (272, 74519), (344, 58922), (688, 29461), (731, 27728), (1462, 13864), (1733, 11696), (2924, 6932), (3466, 5848)]