20120780144

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1117}}^1\times {\mathrm{1579}}^1$

素因数の和:2758

約数の個数: 80

約数和(自身を含む): 42055403520

約数和(自身を除く): 21934623376

約数列:

[1, 2, 4, 8, 16, 23, 31, 46, 62, 92, 124, 184, 248, 368, 496, 713, 1117, 1426, 1579, 2234, 2852, 3158, 4468, 5704, 6316, 8936, 11408, 12632, 17872, 25264, 25691, 34627, 36317, 48949, 51382, 69254, 72634, 97898, 102764, 138508, 145268, 195796, 205528, 277016, 290536, 391592, 411056, 554032, 581072, 783184, 796421, 1125827, 1592842, 1763743, 2251654, 3185684, 3527486, 4503308, 6371368, 7054972, 9006616, 12742736, 14109944, 18013232, 28219888, 40566089, 54676033, 81132178, 109352066, 162264356, 218704132, 324528712, 437408264, 649057424, 874816528, 1257548759, 2515097518, 5030195036, 10060390072, 20120780144]

約数ペア:

[(1, 20120780144), (2, 10060390072), (4, 5030195036), (8, 2515097518), (16, 1257548759), (23, 874816528), (31, 649057424), (46, 437408264), (62, 324528712), (92, 218704132), (124, 162264356), (184, 109352066), (248, 81132178), (368, 54676033), (496, 40566089), (713, 28219888), (1117, 18013232), (1426, 14109944), (1579, 12742736), (2234, 9006616), (2852, 7054972), (3158, 6371368), (4468, 4503308), (5704, 3527486), (6316, 3185684), (8936, 2251654), (11408, 1763743), (12632, 1592842), (17872, 1125827), (25264, 796421), (25691, 783184), (34627, 581072), (36317, 554032), (48949, 411056), (51382, 391592), (69254, 290536), (72634, 277016), (97898, 205528), (102764, 195796), (138508, 145268)]