20199137296

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97111237}}^1$

素因数の和:97111258

約数の個数: 20

約数和(自身を含む): 42146277292

約数和(自身を除く): 21947139996

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 97111237, 194222474, 388444948, 776889896, 1262446081, 1553779792, 2524892162, 5049784324, 10099568648, 20199137296]

約数ペア:

[(1, 20199137296), (2, 10099568648), (4, 5049784324), (8, 2524892162), (13, 1553779792), (16, 1262446081), (26, 776889896), (52, 388444948), (104, 194222474), (208, 97111237)]