20823198

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:377

約数の個数: 64

約数和(自身を含む): 48999168

約数和(自身を除く): 28175970

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 51, 66, 67, 102, 134, 187, 201, 277, 374, 402, 554, 561, 737, 831, 1122, 1139, 1474, 1662, 2211, 2278, 3047, 3417, 4422, 4709, 6094, 6834, 9141, 9418, 12529, 14127, 18282, 18559, 25058, 28254, 37118, 37587, 51799, 55677, 75174, 103598, 111354, 155397, 204149, 310794, 315503, 408298, 612447, 631006, 946509, 1224894, 1893018, 3470533, 6941066, 10411599, 20823198]

約数ペア:

[(1, 20823198), (2, 10411599), (3, 6941066), (6, 3470533), (11, 1893018), (17, 1224894), (22, 946509), (33, 631006), (34, 612447), (51, 408298), (66, 315503), (67, 310794), (102, 204149), (134, 155397), (187, 111354), (201, 103598), (277, 75174), (374, 55677), (402, 51799), (554, 37587), (561, 37118), (737, 28254), (831, 25058), (1122, 18559), (1139, 18282), (1474, 14127), (1662, 12529), (2211, 9418), (2278, 9141), (3047, 6834), (3417, 6094), (4422, 4709)]