20163814619

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^2$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 23706627840

約数和(自身を除く): 3542813221

約数列:

[1, 13, 19, 67, 71, 131, 247, 871, 923, 1273, 1349, 1703, 2489, 4757, 8777, 9301, 16549, 17161, 17537, 32357, 61841, 90383, 114101, 120913, 166763, 176719, 223093, 326059, 623167, 1149787, 1174979, 1218431, 2167919, 2297347, 4238767, 8101171, 11840173, 14947231, 15839603, 21845953, 23150189, 81634877, 153922249, 283997389, 300952457, 1061253401, 1551062663, 20163814619]

約数ペア:

[(1, 20163814619), (13, 1551062663), (19, 1061253401), (67, 300952457), (71, 283997389), (131, 153922249), (247, 81634877), (871, 23150189), (923, 21845953), (1273, 15839603), (1349, 14947231), (1703, 11840173), (2489, 8101171), (4757, 4238767), (8777, 2297347), (9301, 2167919), (16549, 1218431), (17161, 1174979), (17537, 1149787), (32357, 623167), (61841, 326059), (90383, 223093), (114101, 176719), (120913, 166763)]