20139919124

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1\times {\mathrm{23687}}^1$

素因数の和:23984

約数の個数: 48

約数和(自身を含む): 38609923968

約数和(自身を除く): 18470004844

約数列:

[1, 2, 4, 13, 26, 52, 83, 166, 197, 332, 394, 788, 1079, 2158, 2561, 4316, 5122, 10244, 16351, 23687, 32702, 47374, 65404, 94748, 212563, 307931, 425126, 615862, 850252, 1231724, 1966021, 3932042, 4666339, 7864084, 9332678, 18665356, 25558273, 51116546, 60662407, 102233092, 121324814, 242649628, 387306137, 774612274, 1549224548, 5034979781, 10069959562, 20139919124]

約数ペア:

[(1, 20139919124), (2, 10069959562), (4, 5034979781), (13, 1549224548), (26, 774612274), (52, 387306137), (83, 242649628), (166, 121324814), (197, 102233092), (332, 60662407), (394, 51116546), (788, 25558273), (1079, 18665356), (2158, 9332678), (2561, 7864084), (4316, 4666339), (5122, 3932042), (10244, 1966021), (16351, 1231724), (23687, 850252), (32702, 615862), (47374, 425126), (65404, 307931), (94748, 212563)]