20207792

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6043}}^1$

素因数の和:6081

約数の個数: 40

約数和(自身を含む): 44967360

約数和(自身を除く): 24759568

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 6043, 12086, 24172, 48344, 66473, 96688, 114817, 132946, 229634, 265892, 459268, 531784, 918536, 1063568, 1262987, 1837072, 2525974, 5051948, 10103896, 20207792]

約数ペア:

[(1, 20207792), (2, 10103896), (4, 5051948), (8, 2525974), (11, 1837072), (16, 1262987), (19, 1063568), (22, 918536), (38, 531784), (44, 459268), (76, 265892), (88, 229634), (152, 132946), (176, 114817), (209, 96688), (304, 66473), (418, 48344), (836, 24172), (1672, 12086), (3344, 6043)]