20438367065

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1\times {\mathrm{9649}}^1$

素因数の和:9953

約数の個数: 32

約数和(自身を含む): 25979961600

約数和(自身を除く): 5541594535

約数列:

[1, 5, 23, 113, 115, 163, 565, 815, 2599, 3749, 9649, 12995, 18419, 18745, 48245, 92095, 221927, 423637, 1090337, 1109635, 1572787, 2118185, 5451685, 7863935, 25077751, 36174101, 125388755, 177724931, 180870505, 888624655, 4087673413, 20438367065]

約数ペア:

[(1, 20438367065), (5, 4087673413), (23, 888624655), (113, 180870505), (115, 177724931), (163, 125388755), (565, 36174101), (815, 25077751), (2599, 7863935), (3749, 5451685), (9649, 2118185), (12995, 1572787), (18419, 1109635), (18745, 1090337), (48245, 423637), (92095, 221927)]