20908150260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{349}}^1\times {\mathrm{1039}}^1$

素因数の和:1462

約数の個数: 144

約数和(自身を含む): 60723936000

約数和(自身を除く): 39815785740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 349, 372, 465, 620, 698, 930, 961, 1039, 1047, 1396, 1745, 1860, 1922, 2078, 2094, 2883, 3117, 3490, 3844, 4156, 4188, 4805, 5195, 5235, 5766, 6234, 6980, 9610, 10390, 10470, 10819, 11532, 12468, 14415, 15585, 19220, 20780, 20940, 21638, 28830, 31170, 32209, 32457, 43276, 54095, 57660, 62340, 64418, 64914, 96627, 108190, 128836, 129828, 161045, 162285, 193254, 216380, 322090, 324570, 335389, 362611, 386508, 483135, 644180, 649140, 670778, 725222, 966270, 998479, 1006167, 1087833, 1341556, 1450444, 1676945, 1813055, 1932540, 1996958, 2012334, 2175666, 2995437, 3353890, 3626110, 3993916, 4024668, 4351332, 4992395, 5030835, 5439165, 5990874, 6707780, 7252220, 9984790, 10061670, 10878330, 11240941, 11981748, 14977185, 19969580, 20123340, 21756660, 22481882, 29954370, 33722823, 44963764, 56204705, 59908740, 67445646, 112409410, 134891292, 168614115, 224818820, 337228230, 348469171, 674456460, 696938342, 1045407513, 1393876684, 1742345855, 2090815026, 3484691710, 4181630052, 5227037565, 6969383420, 10454075130, 20908150260]

約数ペア:

[(1, 20908150260), (2, 10454075130), (3, 6969383420), (4, 5227037565), (5, 4181630052), (6, 3484691710), (10, 2090815026), (12, 1742345855), (15, 1393876684), (20, 1045407513), (30, 696938342), (31, 674456460), (60, 348469171), (62, 337228230), (93, 224818820), (124, 168614115), (155, 134891292), (186, 112409410), (310, 67445646), (349, 59908740), (372, 56204705), (465, 44963764), (620, 33722823), (698, 29954370), (930, 22481882), (961, 21756660), (1039, 20123340), (1047, 19969580), (1396, 14977185), (1745, 11981748), (1860, 11240941), (1922, 10878330), (2078, 10061670), (2094, 9984790), (2883, 7252220), (3117, 6707780), (3490, 5990874), (3844, 5439165), (4156, 5030835), (4188, 4992395), (4805, 4351332), (5195, 4024668), (5235, 3993916), (5766, 3626110), (6234, 3353890), (6980, 2995437), (9610, 2175666), (10390, 2012334), (10470, 1996958), (10819, 1932540), (11532, 1813055), (12468, 1676945), (14415, 1450444), (15585, 1341556), (19220, 1087833), (20780, 1006167), (20940, 998479), (21638, 966270), (28830, 725222), (31170, 670778), (32209, 649140), (32457, 644180), (43276, 483135), (54095, 386508), (57660, 362611), (62340, 335389), (64418, 324570), (64914, 322090), (96627, 216380), (108190, 193254), (128836, 162285), (129828, 161045)]