20497656

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{569}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 54720000

約数和(自身を除く): 34222344

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 79, 114, 152, 158, 228, 237, 316, 456, 474, 569, 632, 948, 1138, 1501, 1707, 1896, 2276, 3002, 3414, 4503, 4552, 6004, 6828, 9006, 10811, 12008, 13656, 18012, 21622, 32433, 36024, 43244, 44951, 64866, 86488, 89902, 129732, 134853, 179804, 259464, 269706, 359608, 539412, 854069, 1078824, 1708138, 2562207, 3416276, 5124414, 6832552, 10248828, 20497656]

約数ペア:

[(1, 20497656), (2, 10248828), (3, 6832552), (4, 5124414), (6, 3416276), (8, 2562207), (12, 1708138), (19, 1078824), (24, 854069), (38, 539412), (57, 359608), (76, 269706), (79, 259464), (114, 179804), (152, 134853), (158, 129732), (228, 89902), (237, 86488), (316, 64866), (456, 44951), (474, 43244), (569, 36024), (632, 32433), (948, 21622), (1138, 18012), (1501, 13656), (1707, 12008), (1896, 10811), (2276, 9006), (3002, 6828), (3414, 6004), (4503, 4552)]