20191787995

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1\times {\mathrm{11071}}^1$

素因数の和:11635

約数の個数: 32

約数和(自身を含む): 26307072000

約数和(自身を除く): 6115284005

約数列:

[1, 5, 17, 43, 85, 215, 499, 731, 2495, 3655, 8483, 11071, 21457, 42415, 55355, 107285, 188207, 364769, 476053, 941035, 1823845, 2380265, 5524429, 8092901, 27622145, 40464505, 93915293, 237550447, 469576465, 1187752235, 4038357599, 20191787995]

約数ペア:

[(1, 20191787995), (5, 4038357599), (17, 1187752235), (43, 469576465), (85, 237550447), (215, 93915293), (499, 40464505), (731, 27622145), (2495, 8092901), (3655, 5524429), (8483, 2380265), (11071, 1823845), (21457, 941035), (42415, 476053), (55355, 364769), (107285, 188207)]