20121326658

素因数分解:

$2^1\times 3^2\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1\times {\mathrm{619}}^1$

素因数の和:1016

約数の個数: 96

約数和(自身を含む): 44812310400

約数和(自身を除く): 24690983742

約数列:

[1, 2, 3, 6, 9, 18, 89, 103, 178, 197, 206, 267, 309, 394, 534, 591, 618, 619, 801, 927, 1182, 1238, 1602, 1773, 1854, 1857, 3546, 3714, 5571, 9167, 11142, 17533, 18334, 20291, 27501, 35066, 40582, 52599, 55002, 55091, 60873, 63757, 82503, 105198, 110182, 121746, 121943, 127514, 157797, 165006, 165273, 182619, 191271, 243886, 315594, 330546, 365238, 365829, 382542, 495819, 573813, 731658, 991638, 1097487, 1147626, 1805899, 2194974, 3611798, 5417697, 5674373, 10835394, 10852927, 11348746, 12560129, 16253091, 17023119, 21705854, 25120258, 32506182, 32558781, 34046238, 37680387, 51069357, 65117562, 75360774, 97676343, 102138714, 113041161, 195352686, 226082322, 1117851481, 2235702962, 3353554443, 6707108886, 10060663329, 20121326658]

約数ペア:

[(1, 20121326658), (2, 10060663329), (3, 6707108886), (6, 3353554443), (9, 2235702962), (18, 1117851481), (89, 226082322), (103, 195352686), (178, 113041161), (197, 102138714), (206, 97676343), (267, 75360774), (309, 65117562), (394, 51069357), (534, 37680387), (591, 34046238), (618, 32558781), (619, 32506182), (801, 25120258), (927, 21705854), (1182, 17023119), (1238, 16253091), (1602, 12560129), (1773, 11348746), (1854, 10852927), (1857, 10835394), (3546, 5674373), (3714, 5417697), (5571, 3611798), (9167, 2194974), (11142, 1805899), (17533, 1147626), (18334, 1097487), (20291, 991638), (27501, 731658), (35066, 573813), (40582, 495819), (52599, 382542), (55002, 365829), (55091, 365238), (60873, 330546), (63757, 315594), (82503, 243886), (105198, 191271), (110182, 182619), (121746, 165273), (121943, 165006), (127514, 157797)]