20071636

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{4337}}^1$

素因数の和:4443

約数の個数: 24

約数和(自身を含む): 38261160

約数和(自身を除く): 18189524

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4337, 4628, 8674, 17348, 56381, 112762, 225524, 385993, 771986, 1543972, 5017909, 10035818, 20071636]

約数ペア:

[(1, 20071636), (2, 10035818), (4, 5017909), (13, 1543972), (26, 771986), (52, 385993), (89, 225524), (178, 112762), (356, 56381), (1157, 17348), (2314, 8674), (4337, 4628)]