20121947790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1\times {\mathrm{3119}}^1$

素因数の和:4158

約数の個数: 128

約数和(自身を含む): 57047777280

約数和(自身を除く): 36925829490

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 62, 70, 93, 105, 155, 186, 210, 217, 310, 434, 465, 651, 930, 991, 1085, 1302, 1982, 2170, 2973, 3119, 3255, 4955, 5946, 6238, 6510, 6937, 9357, 9910, 13874, 14865, 15595, 18714, 20811, 21833, 29730, 30721, 31190, 34685, 41622, 43666, 46785, 61442, 65499, 69370, 92163, 93570, 96689, 104055, 109165, 130998, 153605, 184326, 193378, 208110, 215047, 218330, 290067, 307210, 327495, 430094, 460815, 483445, 580134, 645141, 654990, 676823, 921630, 966890, 1075235, 1290282, 1353646, 1450335, 2030469, 2150470, 2900670, 3090929, 3225705, 3384115, 4060938, 6181858, 6451410, 6768230, 9272787, 10152345, 15454645, 18545574, 20304690, 21636503, 30909290, 43273006, 46363935, 64909509, 92727870, 95818799, 108182515, 129819018, 191637598, 216365030, 287456397, 324547545, 479093995, 574912794, 649095090, 670731593, 958187990, 1341463186, 1437281985, 2012194779, 2874563970, 3353657965, 4024389558, 6707315930, 10060973895, 20121947790]

約数ペア:

[(1, 20121947790), (2, 10060973895), (3, 6707315930), (5, 4024389558), (6, 3353657965), (7, 2874563970), (10, 2012194779), (14, 1437281985), (15, 1341463186), (21, 958187990), (30, 670731593), (31, 649095090), (35, 574912794), (42, 479093995), (62, 324547545), (70, 287456397), (93, 216365030), (105, 191637598), (155, 129819018), (186, 108182515), (210, 95818799), (217, 92727870), (310, 64909509), (434, 46363935), (465, 43273006), (651, 30909290), (930, 21636503), (991, 20304690), (1085, 18545574), (1302, 15454645), (1982, 10152345), (2170, 9272787), (2973, 6768230), (3119, 6451410), (3255, 6181858), (4955, 4060938), (5946, 3384115), (6238, 3225705), (6510, 3090929), (6937, 2900670), (9357, 2150470), (9910, 2030469), (13874, 1450335), (14865, 1353646), (15595, 1290282), (18714, 1075235), (20811, 966890), (21833, 921630), (29730, 676823), (30721, 654990), (31190, 645141), (34685, 580134), (41622, 483445), (43666, 460815), (46785, 430094), (61442, 327495), (65499, 307210), (69370, 290067), (92163, 218330), (93570, 215047), (96689, 208110), (104055, 193378), (109165, 184326), (130998, 153605)]