20851094761

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{421}}^1\times {\mathrm{439}}^1$

素因数の和:1165

約数の個数: 32

約数和(自身を含む): 24384983040

約数和(自身を除く): 3533888279

約数列:

[1, 7, 71, 227, 421, 439, 497, 1589, 2947, 3073, 16117, 29891, 31169, 95567, 99653, 112819, 184819, 209237, 218183, 668969, 697571, 1293733, 6785257, 7075363, 13122149, 41953913, 47496799, 49527541, 91855043, 293677391, 2978727823, 20851094761]

約数ペア:

[(1, 20851094761), (7, 2978727823), (71, 293677391), (227, 91855043), (421, 49527541), (439, 47496799), (497, 41953913), (1589, 13122149), (2947, 7075363), (3073, 6785257), (16117, 1293733), (29891, 697571), (31169, 668969), (95567, 218183), (99653, 209237), (112819, 184819)]