20198751636

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1453}}^1\times {\mathrm{2713}}^1$

素因数の和:4241

約数の個数: 96

約数和(自身を含む): 54804214528

約数和(自身を除く): 34605462892

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 61, 84, 122, 183, 244, 366, 427, 732, 854, 1281, 1453, 1708, 2562, 2713, 2906, 4359, 5124, 5426, 5812, 8139, 8718, 10171, 10852, 16278, 17436, 18991, 20342, 30513, 32556, 37982, 40684, 56973, 61026, 75964, 88633, 113946, 122052, 165493, 177266, 227892, 265899, 330986, 354532, 496479, 531798, 620431, 661972, 992958, 1063596, 1158451, 1240862, 1861293, 1985916, 2316902, 2481724, 3475353, 3722586, 3941989, 4633804, 6950706, 7445172, 7883978, 11825967, 13901412, 15767956, 23651934, 27593923, 47303868, 55187846, 82781769, 110375692, 165563538, 240461329, 331127076, 480922658, 721383987, 961845316, 1442767974, 1683229303, 2885535948, 3366458606, 5049687909, 6732917212, 10099375818, 20198751636]

約数ペア:

[(1, 20198751636), (2, 10099375818), (3, 6732917212), (4, 5049687909), (6, 3366458606), (7, 2885535948), (12, 1683229303), (14, 1442767974), (21, 961845316), (28, 721383987), (42, 480922658), (61, 331127076), (84, 240461329), (122, 165563538), (183, 110375692), (244, 82781769), (366, 55187846), (427, 47303868), (732, 27593923), (854, 23651934), (1281, 15767956), (1453, 13901412), (1708, 11825967), (2562, 7883978), (2713, 7445172), (2906, 6950706), (4359, 4633804), (5124, 3941989), (5426, 3722586), (5812, 3475353), (8139, 2481724), (8718, 2316902), (10171, 1985916), (10852, 1861293), (16278, 1240862), (17436, 1158451), (18991, 1063596), (20342, 992958), (30513, 661972), (32556, 620431), (37982, 531798), (40684, 496479), (56973, 354532), (61026, 330986), (75964, 265899), (88633, 227892), (113946, 177266), (122052, 165493)]