20199843428

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{426193}}^1$

素因数の和:426272

約数の個数: 36

約数和(自身を含む): 38467418052

約数和(自身を除く): 18267574624

約数列:

[1, 2, 4, 17, 34, 41, 68, 82, 164, 289, 578, 697, 1156, 1394, 2788, 11849, 23698, 47396, 426193, 852386, 1704772, 7245281, 14490562, 17473913, 28981124, 34947826, 69895652, 123169777, 246339554, 297056521, 492679108, 594113042, 1188226084, 5049960857, 10099921714, 20199843428]

約数ペア:

[(1, 20199843428), (2, 10099921714), (4, 5049960857), (17, 1188226084), (34, 594113042), (41, 492679108), (68, 297056521), (82, 246339554), (164, 123169777), (289, 69895652), (578, 34947826), (697, 28981124), (1156, 17473913), (1394, 14490562), (2788, 7245281), (11849, 1704772), (23698, 852386), (47396, 426193)]