20308198

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1\times {\mathrm{421}}^1$

素因数の和:783

約数の個数: 16

約数和(自身を含む): 30991680

約数和(自身を除く): 10683482

約数列:

[1, 2, 89, 178, 271, 421, 542, 842, 24119, 37469, 48238, 74938, 114091, 228182, 10154099, 20308198]

約数ペア:

[(1, 20308198), (2, 10154099), (89, 228182), (178, 114091), (271, 74938), (421, 48238), (542, 37469), (842, 24119)]