20131209108

素因数分解:

$2^2\times 3^2\times {\mathrm{241}}^1\times {\mathrm{1297}}^1\times {\mathrm{1789}}^1$

素因数の和:3337

約数の個数: 72

約数和(自身を含む): 51166355240

約数和(自身を除く): 31035146132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 241, 482, 723, 964, 1297, 1446, 1789, 2169, 2594, 2892, 3578, 3891, 4338, 5188, 5367, 7156, 7782, 8676, 10734, 11673, 15564, 16101, 21468, 23346, 32202, 46692, 64404, 312577, 431149, 625154, 862298, 937731, 1250308, 1293447, 1724596, 1875462, 2320333, 2586894, 2813193, 3750924, 3880341, 4640666, 5173788, 5626386, 6960999, 7760682, 9281332, 11252772, 13921998, 15521364, 20882997, 27843996, 41765994, 83531988, 559200253, 1118400506, 1677600759, 2236801012, 3355201518, 5032802277, 6710403036, 10065604554, 20131209108]

約数ペア:

[(1, 20131209108), (2, 10065604554), (3, 6710403036), (4, 5032802277), (6, 3355201518), (9, 2236801012), (12, 1677600759), (18, 1118400506), (36, 559200253), (241, 83531988), (482, 41765994), (723, 27843996), (964, 20882997), (1297, 15521364), (1446, 13921998), (1789, 11252772), (2169, 9281332), (2594, 7760682), (2892, 6960999), (3578, 5626386), (3891, 5173788), (4338, 4640666), (5188, 3880341), (5367, 3750924), (7156, 2813193), (7782, 2586894), (8676, 2320333), (10734, 1875462), (11673, 1724596), (15564, 1293447), (16101, 1250308), (21468, 937731), (23346, 862298), (32202, 625154), (46692, 431149), (64404, 312577)]