20218183678

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{666431}}^1$

素因数の和:666648

約数の個数: 32

約数和(自身を含む): 38002618368

約数和(自身を除く): 17784434690

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 197, 394, 1379, 2167, 2758, 4334, 15169, 30338, 666431, 1332862, 4665017, 7330741, 9330034, 14661482, 51315187, 102630374, 131286907, 262573814, 919008349, 1444155977, 1838016698, 2888311954, 10109091839, 20218183678]

約数ペア:

[(1, 20218183678), (2, 10109091839), (7, 2888311954), (11, 1838016698), (14, 1444155977), (22, 919008349), (77, 262573814), (154, 131286907), (197, 102630374), (394, 51315187), (1379, 14661482), (2167, 9330034), (2758, 7330741), (4334, 4665017), (15169, 1332862), (30338, 666431)]