20785913624

素因数分解:

$2^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{353}}^1\times {\mathrm{7057}}^1$

素因数の和:7572

約数の個数: 64

約数和(自身を含む): 44973576000

約数和(自身を除く): 24187662376

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 149, 298, 353, 596, 706, 1043, 1192, 1412, 2086, 2471, 2824, 4172, 4942, 7057, 8344, 9884, 14114, 19768, 28228, 49399, 52597, 56456, 98798, 105194, 197596, 210388, 368179, 395192, 420776, 736358, 1051493, 1472716, 2102986, 2491121, 2945432, 4205972, 4982242, 7360451, 8411944, 9964484, 14720902, 17437847, 19928968, 29441804, 34875694, 58883608, 69751388, 139502776, 371177029, 742354058, 1484708116, 2598239203, 2969416232, 5196478406, 10392956812, 20785913624]

約数ペア:

[(1, 20785913624), (2, 10392956812), (4, 5196478406), (7, 2969416232), (8, 2598239203), (14, 1484708116), (28, 742354058), (56, 371177029), (149, 139502776), (298, 69751388), (353, 58883608), (596, 34875694), (706, 29441804), (1043, 19928968), (1192, 17437847), (1412, 14720902), (2086, 9964484), (2471, 8411944), (2824, 7360451), (4172, 4982242), (4942, 4205972), (7057, 2945432), (8344, 2491121), (9884, 2102986), (14114, 1472716), (19768, 1051493), (28228, 736358), (49399, 420776), (52597, 395192), (56456, 368179), (98798, 210388), (105194, 197596)]