20110344304

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{291691}}^1$

素因数の和:291869

約数の個数: 40

約数和(自身を含む): 40510184960

約数和(自身を除く): 20399840656

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 139, 248, 278, 496, 556, 1112, 2224, 4309, 8618, 17236, 34472, 68944, 291691, 583382, 1166764, 2333528, 4667056, 9042421, 18084842, 36169684, 40545049, 72339368, 81090098, 144678736, 162180196, 324360392, 648720784, 1256896519, 2513793038, 5027586076, 10055172152, 20110344304]

約数ペア:

[(1, 20110344304), (2, 10055172152), (4, 5027586076), (8, 2513793038), (16, 1256896519), (31, 648720784), (62, 324360392), (124, 162180196), (139, 144678736), (248, 81090098), (278, 72339368), (496, 40545049), (556, 36169684), (1112, 18084842), (2224, 9042421), (4309, 4667056), (8618, 2333528), (17236, 1166764), (34472, 583382), (68944, 291691)]