20038746

素因数分解:

$2^1\times 3^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{107}}^1$

素因数の和:153

約数の個数: 80

約数和(自身を含む): 50821344

約数和(自身を除く): 30782598

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 107, 147, 182, 214, 273, 294, 321, 343, 546, 637, 642, 686, 749, 1029, 1274, 1391, 1498, 1911, 2058, 2247, 2401, 2782, 3822, 4173, 4459, 4494, 4802, 5243, 7203, 8346, 8918, 9737, 10486, 13377, 14406, 15729, 19474, 26754, 29211, 31213, 31458, 36701, 58422, 62426, 68159, 73402, 93639, 110103, 136318, 187278, 204477, 220206, 256907, 408954, 477113, 513814, 770721, 954226, 1431339, 1541442, 2862678, 3339791, 6679582, 10019373, 20038746]

約数ペア:

[(1, 20038746), (2, 10019373), (3, 6679582), (6, 3339791), (7, 2862678), (13, 1541442), (14, 1431339), (21, 954226), (26, 770721), (39, 513814), (42, 477113), (49, 408954), (78, 256907), (91, 220206), (98, 204477), (107, 187278), (147, 136318), (182, 110103), (214, 93639), (273, 73402), (294, 68159), (321, 62426), (343, 58422), (546, 36701), (637, 31458), (642, 31213), (686, 29211), (749, 26754), (1029, 19474), (1274, 15729), (1391, 14406), (1498, 13377), (1911, 10486), (2058, 9737), (2247, 8918), (2401, 8346), (2782, 7203), (3822, 5243), (4173, 4802), (4459, 4494)]