20172729922

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2549}}^1\times {\mathrm{4001}}^1$

素因数の和:6618

約数の個数: 32

約数和(自身を含む): 32329756800

約数和(自身を除く): 12157026878

約数列:

[1, 2, 23, 43, 46, 86, 989, 1978, 2549, 4001, 5098, 8002, 58627, 92023, 109607, 117254, 172043, 184046, 219214, 344086, 2520961, 3956989, 5041922, 7913978, 10198549, 20397098, 234566627, 438537607, 469133254, 877075214, 10086364961, 20172729922]

約数ペア:

[(1, 20172729922), (2, 10086364961), (23, 877075214), (43, 469133254), (46, 438537607), (86, 234566627), (989, 20397098), (1978, 10198549), (2549, 7913978), (4001, 5041922), (5098, 3956989), (8002, 2520961), (58627, 344086), (92023, 219214), (109607, 184046), (117254, 172043)]