20121309142

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1\times {\mathrm{1753}}^1$

素因数の和:2101

約数の個数: 64

約数和(自身を含む): 34552396800

約数和(自身を除く): 14431087658

約数列:

[1, 2, 11, 22, 37, 59, 74, 118, 239, 407, 478, 649, 814, 1298, 1753, 2183, 2629, 3506, 4366, 5258, 8843, 14101, 17686, 19283, 24013, 28202, 38566, 48026, 64861, 97273, 103427, 129722, 155111, 194546, 206854, 310222, 418967, 521737, 713471, 837934, 1043474, 1137697, 1426942, 2275394, 3826799, 4608637, 5739107, 7653598, 9217274, 11478214, 15501779, 24719053, 31003558, 42094789, 49438106, 84189578, 170519569, 271909583, 341039138, 543819166, 914604961, 1829209922, 10060654571, 20121309142]

約数ペア:

[(1, 20121309142), (2, 10060654571), (11, 1829209922), (22, 914604961), (37, 543819166), (59, 341039138), (74, 271909583), (118, 170519569), (239, 84189578), (407, 49438106), (478, 42094789), (649, 31003558), (814, 24719053), (1298, 15501779), (1753, 11478214), (2183, 9217274), (2629, 7653598), (3506, 5739107), (4366, 4608637), (5258, 3826799), (8843, 2275394), (14101, 1426942), (17686, 1137697), (19283, 1043474), (24013, 837934), (28202, 713471), (38566, 521737), (48026, 418967), (64861, 310222), (97273, 206854), (103427, 194546), (129722, 155111)]