20216664858

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37117}}^1\times {\mathrm{6983}}^1$

素因数の和:44118

約数の個数: 32

約数和(自身を含む): 43550994816

約数和(自身を除く): 23334329958

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 6983, 13966, 20949, 37117, 41898, 74234, 90779, 111351, 181558, 222702, 272337, 482521, 544674, 965042, 1447563, 2895126, 259188011, 518376022, 777564033, 1555128066, 3369444143, 6738888286, 10108332429, 20216664858]

約数ペア:

[(1, 20216664858), (2, 10108332429), (3, 6738888286), (6, 3369444143), (13, 1555128066), (26, 777564033), (39, 518376022), (78, 259188011), (6983, 2895126), (13966, 1447563), (20949, 965042), (37117, 544674), (41898, 482521), (74234, 272337), (90779, 222702), (111351, 181558)]