20072637

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 33203520

約数和(自身を除く): 13130883

約数列:

[1, 3, 9, 13, 27, 39, 53, 83, 117, 159, 169, 249, 351, 477, 507, 689, 747, 1079, 1431, 1521, 2067, 2241, 3237, 4399, 4563, 6201, 8957, 9711, 13197, 14027, 18603, 26871, 29133, 39591, 42081, 57187, 80613, 118773, 126243, 171561, 241839, 378729, 514683, 743431, 1544049, 2230293, 6690879, 20072637]

約数ペア:

[(1, 20072637), (3, 6690879), (9, 2230293), (13, 1544049), (27, 743431), (39, 514683), (53, 378729), (83, 241839), (117, 171561), (159, 126243), (169, 118773), (249, 80613), (351, 57187), (477, 42081), (507, 39591), (689, 29133), (747, 26871), (1079, 18603), (1431, 14027), (1521, 13197), (2067, 9711), (2241, 8957), (3237, 6201), (4399, 4563)]