20179035760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1427}}^1\times {\mathrm{13597}}^1$

素因数の和:15050

約数の個数: 80

約数和(自身を含む): 50564326176

約数和(自身を除く): 30385290416

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1427, 2854, 5708, 7135, 11416, 13597, 14270, 18551, 22832, 27194, 28540, 37102, 54388, 57080, 67985, 74204, 92755, 108776, 114160, 135970, 148408, 176761, 185510, 217552, 271940, 296816, 353522, 371020, 543880, 707044, 742040, 883805, 1087760, 1414088, 1484080, 1767610, 2828176, 3535220, 7070440, 14140880, 19402919, 38805838, 77611676, 97014595, 155223352, 194029190, 252237947, 310446704, 388058380, 504475894, 776116760, 1008951788, 1261189735, 1552233520, 2017903576, 2522379470, 4035807152, 5044758940, 10089517880, 20179035760]

約数ペア:

[(1, 20179035760), (2, 10089517880), (4, 5044758940), (5, 4035807152), (8, 2522379470), (10, 2017903576), (13, 1552233520), (16, 1261189735), (20, 1008951788), (26, 776116760), (40, 504475894), (52, 388058380), (65, 310446704), (80, 252237947), (104, 194029190), (130, 155223352), (208, 97014595), (260, 77611676), (520, 38805838), (1040, 19402919), (1427, 14140880), (2854, 7070440), (5708, 3535220), (7135, 2828176), (11416, 1767610), (13597, 1484080), (14270, 1414088), (18551, 1087760), (22832, 883805), (27194, 742040), (28540, 707044), (37102, 543880), (54388, 371020), (57080, 353522), (67985, 296816), (74204, 271940), (92755, 217552), (108776, 185510), (114160, 176761), (135970, 148408)]