20189648

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{12251}}^1$

素因数の和:12362

約数の個数: 20

約数和(自身を含む): 39500448

約数和(自身を除く): 19310800

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 12251, 24502, 49004, 98008, 196016, 1261853, 2523706, 5047412, 10094824, 20189648]

約数ペア:

[(1, 20189648), (2, 10094824), (4, 5047412), (8, 2523706), (16, 1261853), (103, 196016), (206, 98008), (412, 49004), (824, 24502), (1648, 12251)]