20028216

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2791}}^1$

素因数の和:2836

約数の個数: 64

約数和(自身を含む): 56286720

約数和(自身を除く): 36258504

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 46, 52, 69, 78, 92, 104, 138, 156, 184, 276, 299, 312, 552, 598, 897, 1196, 1794, 2392, 2791, 3588, 5582, 7176, 8373, 11164, 16746, 22328, 33492, 36283, 64193, 66984, 72566, 108849, 128386, 145132, 192579, 217698, 256772, 290264, 385158, 435396, 513544, 770316, 834509, 870792, 1540632, 1669018, 2503527, 3338036, 5007054, 6676072, 10014108, 20028216]

約数ペア:

[(1, 20028216), (2, 10014108), (3, 6676072), (4, 5007054), (6, 3338036), (8, 2503527), (12, 1669018), (13, 1540632), (23, 870792), (24, 834509), (26, 770316), (39, 513544), (46, 435396), (52, 385158), (69, 290264), (78, 256772), (92, 217698), (104, 192579), (138, 145132), (156, 128386), (184, 108849), (276, 72566), (299, 66984), (312, 64193), (552, 36283), (598, 33492), (897, 22328), (1196, 16746), (1794, 11164), (2392, 8373), (2791, 7176), (3588, 5582)]