20408764146

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{28547}}^1$

素因数の和:28775

約数の個数: 64

約数和(自身を含む): 44496511488

約数和(自身を除く): 24087747342

約数列:

[1, 2, 3, 6, 17, 34, 43, 51, 86, 102, 129, 163, 258, 326, 489, 731, 978, 1462, 2193, 2771, 4386, 5542, 7009, 8313, 14018, 16626, 21027, 28547, 42054, 57094, 85641, 119153, 171282, 238306, 357459, 485299, 714918, 970598, 1227521, 1455897, 2455042, 2911794, 3682563, 4653161, 7365126, 9306322, 13959483, 20867857, 27918966, 41735714, 62603571, 79103737, 125207142, 158207474, 200085923, 237311211, 400171846, 474622422, 600257769, 1200515538, 3401460691, 6802921382, 10204382073, 20408764146]

約数ペア:

[(1, 20408764146), (2, 10204382073), (3, 6802921382), (6, 3401460691), (17, 1200515538), (34, 600257769), (43, 474622422), (51, 400171846), (86, 237311211), (102, 200085923), (129, 158207474), (163, 125207142), (258, 79103737), (326, 62603571), (489, 41735714), (731, 27918966), (978, 20867857), (1462, 13959483), (2193, 9306322), (2771, 7365126), (4386, 4653161), (5542, 3682563), (7009, 2911794), (8313, 2455042), (14018, 1455897), (16626, 1227521), (21027, 970598), (28547, 714918), (42054, 485299), (57094, 357459), (85641, 238306), (119153, 171282)]