20421553908

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1\times {\mathrm{20107}}^1$

素因数の和:20341

約数の個数: 96

約数和(自身を含む): 55455611904

約数和(自身を除く): 35034057996

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 107, 113, 214, 226, 321, 339, 428, 452, 642, 678, 749, 791, 1284, 1356, 1498, 1582, 2247, 2373, 2996, 3164, 4494, 4746, 8988, 9492, 12091, 20107, 24182, 36273, 40214, 48364, 60321, 72546, 80428, 84637, 120642, 140749, 145092, 169274, 241284, 253911, 281498, 338548, 422247, 507822, 562996, 844494, 1015644, 1688988, 2151449, 2272091, 4302898, 4544182, 6454347, 6816273, 8605796, 9088364, 12908694, 13632546, 15060143, 15904637, 25817388, 27265092, 30120286, 31809274, 45180429, 47713911, 60240572, 63618548, 90360858, 95427822, 180721716, 190855644, 243113737, 486227474, 729341211, 972454948, 1458682422, 1701796159, 2917364844, 3403592318, 5105388477, 6807184636, 10210776954, 20421553908]

約数ペア:

[(1, 20421553908), (2, 10210776954), (3, 6807184636), (4, 5105388477), (6, 3403592318), (7, 2917364844), (12, 1701796159), (14, 1458682422), (21, 972454948), (28, 729341211), (42, 486227474), (84, 243113737), (107, 190855644), (113, 180721716), (214, 95427822), (226, 90360858), (321, 63618548), (339, 60240572), (428, 47713911), (452, 45180429), (642, 31809274), (678, 30120286), (749, 27265092), (791, 25817388), (1284, 15904637), (1356, 15060143), (1498, 13632546), (1582, 12908694), (2247, 9088364), (2373, 8605796), (2996, 6816273), (3164, 6454347), (4494, 4544182), (4746, 4302898), (8988, 2272091), (9492, 2151449), (12091, 1688988), (20107, 1015644), (24182, 844494), (36273, 562996), (40214, 507822), (48364, 422247), (60321, 338548), (72546, 281498), (80428, 253911), (84637, 241284), (120642, 169274), (140749, 145092)]