20197619930

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{497111}}^1$

素因数の和:497374

約数の個数: 32

約数和(自身を含む): 38655429120

約数和(自身を除く): 18457809190

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 239, 478, 1195, 2390, 4063, 8126, 20315, 40630, 497111, 994222, 2485555, 4971110, 8450887, 16901774, 42254435, 84508870, 118809529, 237619058, 594047645, 1188095290, 2019761993, 4039523986, 10098809965, 20197619930]

約数ペア:

[(1, 20197619930), (2, 10098809965), (5, 4039523986), (10, 2019761993), (17, 1188095290), (34, 594047645), (85, 237619058), (170, 118809529), (239, 84508870), (478, 42254435), (1195, 16901774), (2390, 8450887), (4063, 4971110), (8126, 2485555), (20315, 994222), (40630, 497111)]