20762595

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 42762240

約数和(自身を除く): 21999645

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 127, 135, 173, 189, 315, 381, 519, 635, 865, 889, 945, 1143, 1211, 1557, 1905, 2595, 2667, 3429, 3633, 4445, 4671, 5715, 6055, 7785, 8001, 10899, 13335, 17145, 18165, 21971, 23355, 24003, 32697, 40005, 54495, 65913, 109855, 120015, 153797, 163485, 197739, 329565, 461391, 593217, 768985, 988695, 1384173, 2306955, 2966085, 4152519, 6920865, 20762595]

約数ペア:

[(1, 20762595), (3, 6920865), (5, 4152519), (7, 2966085), (9, 2306955), (15, 1384173), (21, 988695), (27, 768985), (35, 593217), (45, 461391), (63, 329565), (105, 197739), (127, 163485), (135, 153797), (173, 120015), (189, 109855), (315, 65913), (381, 54495), (519, 40005), (635, 32697), (865, 24003), (889, 23355), (945, 21971), (1143, 18165), (1211, 17145), (1557, 13335), (1905, 10899), (2595, 8001), (2667, 7785), (3429, 6055), (3633, 5715), (4445, 4671)]