20238601688

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{277}}^1\times {\mathrm{307}}^1\times {\mathrm{419}}^1$

素因数の和:1080

約数の個数: 64

約数和(自身を含む): 38839046400

約数和(自身を除く): 18600444712

約数列:

[1, 2, 4, 8, 71, 142, 277, 284, 307, 419, 554, 568, 614, 838, 1108, 1228, 1676, 2216, 2456, 3352, 19667, 21797, 29749, 39334, 43594, 59498, 78668, 85039, 87188, 116063, 118996, 128633, 157336, 170078, 174376, 232126, 237992, 257266, 340156, 464252, 514532, 680312, 928504, 1029064, 6037769, 8240473, 9132943, 12075538, 16480946, 18265886, 24151076, 32961892, 35631341, 36531772, 48302152, 65923784, 71262682, 73063544, 142525364, 285050728, 2529825211, 5059650422, 10119300844, 20238601688]

約数ペア:

[(1, 20238601688), (2, 10119300844), (4, 5059650422), (8, 2529825211), (71, 285050728), (142, 142525364), (277, 73063544), (284, 71262682), (307, 65923784), (419, 48302152), (554, 36531772), (568, 35631341), (614, 32961892), (838, 24151076), (1108, 18265886), (1228, 16480946), (1676, 12075538), (2216, 9132943), (2456, 8240473), (3352, 6037769), (19667, 1029064), (21797, 928504), (29749, 680312), (39334, 514532), (43594, 464252), (59498, 340156), (78668, 257266), (85039, 237992), (87188, 232126), (116063, 174376), (118996, 170078), (128633, 157336)]