20163926475

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{947}}^1\times {\mathrm{1229}}^1$

素因数の和:2210

約数の個数: 144

約数和(自身を含む): 45111755520

約数和(自身を除く): 24947829045

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 25, 33, 35, 45, 55, 63, 75, 77, 99, 105, 165, 175, 225, 231, 275, 315, 385, 495, 525, 693, 825, 947, 1155, 1229, 1575, 1925, 2475, 2841, 3465, 3687, 4735, 5775, 6145, 6629, 8523, 8603, 10417, 11061, 13519, 14205, 17325, 18435, 19887, 23675, 25809, 30725, 31251, 33145, 40557, 42615, 43015, 52085, 55305, 59661, 67595, 71025, 72919, 77427, 92175, 93753, 94633, 99435, 121671, 129045, 156255, 165725, 202785, 213075, 215075, 218757, 260425, 276525, 283899, 298305, 337975, 364595, 387135, 468765, 473165, 497175, 608355, 645225, 656271, 781275, 851697, 1013925, 1093785, 1163863, 1419495, 1491525, 1822975, 1935675, 2343825, 2365825, 3041775, 3281355, 3491589, 4258485, 5468925, 5819315, 7097475, 8147041, 10474767, 12802493, 16406775, 17457945, 21292425, 24441123, 29096575, 38407479, 40735205, 52373835, 64012465, 73323369, 87289725, 89617451, 115222437, 122205615, 192037395, 203676025, 261869175, 268852353, 320062325, 366616845, 448087255, 576112185, 611028075, 806557059, 960186975, 1344261765, 1833084225, 2240436275, 2880560925, 4032785295, 6721308825, 20163926475]

約数ペア:

[(1, 20163926475), (3, 6721308825), (5, 4032785295), (7, 2880560925), (9, 2240436275), (11, 1833084225), (15, 1344261765), (21, 960186975), (25, 806557059), (33, 611028075), (35, 576112185), (45, 448087255), (55, 366616845), (63, 320062325), (75, 268852353), (77, 261869175), (99, 203676025), (105, 192037395), (165, 122205615), (175, 115222437), (225, 89617451), (231, 87289725), (275, 73323369), (315, 64012465), (385, 52373835), (495, 40735205), (525, 38407479), (693, 29096575), (825, 24441123), (947, 21292425), (1155, 17457945), (1229, 16406775), (1575, 12802493), (1925, 10474767), (2475, 8147041), (2841, 7097475), (3465, 5819315), (3687, 5468925), (4735, 4258485), (5775, 3491589), (6145, 3281355), (6629, 3041775), (8523, 2365825), (8603, 2343825), (10417, 1935675), (11061, 1822975), (13519, 1491525), (14205, 1419495), (17325, 1163863), (18435, 1093785), (19887, 1013925), (23675, 851697), (25809, 781275), (30725, 656271), (31251, 645225), (33145, 608355), (40557, 497175), (42615, 473165), (43015, 468765), (52085, 387135), (55305, 364595), (59661, 337975), (67595, 298305), (71025, 283899), (72919, 276525), (77427, 260425), (92175, 218757), (93753, 215075), (94633, 213075), (99435, 202785), (121671, 165725), (129045, 156255)]