20041785722

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{523}}^1\times {\mathrm{661}}^1$

素因数の和:1335

約数の個数: 64

約数和(自身を含む): 35665636608

約数和(自身を除く): 15623850886

約数列:

[1, 2, 7, 14, 41, 82, 101, 202, 287, 523, 574, 661, 707, 1046, 1322, 1414, 3661, 4141, 4627, 7322, 8282, 9254, 21443, 27101, 28987, 42886, 52823, 54202, 57974, 66761, 105646, 133522, 150101, 189707, 300202, 345703, 369761, 379414, 467327, 691406, 739522, 934654, 2165743, 2419921, 2737201, 4331486, 4839842, 5474402, 14173823, 15160201, 19160407, 28347646, 30320402, 34916003, 38320814, 69832006, 99216761, 198433522, 244412021, 488824042, 1431556123, 2863112246, 10020892861, 20041785722]

約数ペア:

[(1, 20041785722), (2, 10020892861), (7, 2863112246), (14, 1431556123), (41, 488824042), (82, 244412021), (101, 198433522), (202, 99216761), (287, 69832006), (523, 38320814), (574, 34916003), (661, 30320402), (707, 28347646), (1046, 19160407), (1322, 15160201), (1414, 14173823), (3661, 5474402), (4141, 4839842), (4627, 4331486), (7322, 2737201), (8282, 2419921), (9254, 2165743), (21443, 934654), (27101, 739522), (28987, 691406), (42886, 467327), (52823, 379414), (54202, 369761), (57974, 345703), (66761, 300202), (105646, 189707), (133522, 150101)]