20213304728

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1\times {\mathrm{7687}}^1$

素因数の和:8208

約数の個数: 64

約数和(自身を含む): 40917381120

約数和(自身を除く): 20704076392

約数列:

[1, 2, 4, 8, 23, 31, 46, 62, 92, 124, 184, 248, 461, 713, 922, 1426, 1844, 2852, 3688, 5704, 7687, 10603, 14291, 15374, 21206, 28582, 30748, 42412, 57164, 61496, 84824, 114328, 176801, 238297, 328693, 353602, 476594, 657386, 707204, 953188, 1314772, 1414408, 1906376, 2629544, 3543707, 5480831, 7087414, 10961662, 14174828, 21923324, 28349656, 43846648, 81505261, 109854917, 163010522, 219709834, 326021044, 439419668, 652042088, 878839336, 2526663091, 5053326182, 10106652364, 20213304728]

約数ペア:

[(1, 20213304728), (2, 10106652364), (4, 5053326182), (8, 2526663091), (23, 878839336), (31, 652042088), (46, 439419668), (62, 326021044), (92, 219709834), (124, 163010522), (184, 109854917), (248, 81505261), (461, 43846648), (713, 28349656), (922, 21923324), (1426, 14174828), (1844, 10961662), (2852, 7087414), (3688, 5480831), (5704, 3543707), (7687, 2629544), (10603, 1906376), (14291, 1414408), (15374, 1314772), (21206, 953188), (28582, 707204), (30748, 657386), (42412, 476594), (57164, 353602), (61496, 328693), (84824, 238297), (114328, 176801)]