20215996878

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{51419}}^1$

素因数の和:51502

約数の個数: 128

約数和(自身を含む): 54023086080

約数和(自身を除く): 33807089202

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 23, 33, 37, 42, 46, 66, 69, 74, 77, 111, 138, 154, 161, 222, 231, 253, 259, 322, 407, 462, 483, 506, 518, 759, 777, 814, 851, 966, 1221, 1518, 1554, 1702, 1771, 2442, 2553, 2849, 3542, 5106, 5313, 5698, 5957, 8547, 9361, 10626, 11914, 17094, 17871, 18722, 28083, 35742, 51419, 56166, 65527, 102838, 131054, 154257, 196581, 308514, 359933, 393162, 565609, 719866, 1079799, 1131218, 1182637, 1696827, 1902503, 2159598, 2365274, 3393654, 3547911, 3805006, 3959263, 5707509, 7095822, 7918526, 8278459, 11415018, 11877789, 13009007, 13317521, 16556918, 20927533, 23755578, 24835377, 26018014, 26635042, 39027021, 39952563, 41855066, 43757569, 49670754, 62782599, 78054042, 79905126, 87515138, 91063049, 125565198, 131272707, 146492731, 182126098, 262545414, 273189147, 292985462, 306302983, 439478193, 481333259, 546378294, 612605966, 878956386, 918908949, 962666518, 1443999777, 1837817898, 2887999554, 3369332813, 6738665626, 10107998439, 20215996878]

約数ペア:

[(1, 20215996878), (2, 10107998439), (3, 6738665626), (6, 3369332813), (7, 2887999554), (11, 1837817898), (14, 1443999777), (21, 962666518), (22, 918908949), (23, 878956386), (33, 612605966), (37, 546378294), (42, 481333259), (46, 439478193), (66, 306302983), (69, 292985462), (74, 273189147), (77, 262545414), (111, 182126098), (138, 146492731), (154, 131272707), (161, 125565198), (222, 91063049), (231, 87515138), (253, 79905126), (259, 78054042), (322, 62782599), (407, 49670754), (462, 43757569), (483, 41855066), (506, 39952563), (518, 39027021), (759, 26635042), (777, 26018014), (814, 24835377), (851, 23755578), (966, 20927533), (1221, 16556918), (1518, 13317521), (1554, 13009007), (1702, 11877789), (1771, 11415018), (2442, 8278459), (2553, 7918526), (2849, 7095822), (3542, 5707509), (5106, 3959263), (5313, 3805006), (5698, 3547911), (5957, 3393654), (8547, 2365274), (9361, 2159598), (10626, 1902503), (11914, 1696827), (17094, 1182637), (17871, 1131218), (18722, 1079799), (28083, 719866), (35742, 565609), (51419, 393162), (56166, 359933), (65527, 308514), (102838, 196581), (131054, 154257)]