20137809616

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{241}}^1\times {\mathrm{467}}^1$

素因数の和:980

約数の個数: 80

約数和(自身を含む): 40193195328

約数和(自身を除く): 20055385712

約数列:

[1, 2, 4, 8, 16, 53, 106, 211, 212, 241, 422, 424, 467, 482, 844, 848, 934, 964, 1688, 1868, 1928, 3376, 3736, 3856, 7472, 11183, 12773, 22366, 24751, 25546, 44732, 49502, 50851, 51092, 89464, 98537, 99004, 101702, 102184, 112547, 178928, 197074, 198008, 203404, 204368, 225094, 394148, 396016, 406808, 450188, 788296, 813616, 900376, 1576592, 1800752, 2695103, 5222461, 5390206, 5964991, 10444922, 10780412, 11929982, 20889844, 21560824, 23747417, 23859964, 41779688, 43121648, 47494834, 47719928, 83559376, 94989668, 95439856, 189979336, 379958672, 1258613101, 2517226202, 5034452404, 10068904808, 20137809616]

約数ペア:

[(1, 20137809616), (2, 10068904808), (4, 5034452404), (8, 2517226202), (16, 1258613101), (53, 379958672), (106, 189979336), (211, 95439856), (212, 94989668), (241, 83559376), (422, 47719928), (424, 47494834), (467, 43121648), (482, 41779688), (844, 23859964), (848, 23747417), (934, 21560824), (964, 20889844), (1688, 11929982), (1868, 10780412), (1928, 10444922), (3376, 5964991), (3736, 5390206), (3856, 5222461), (7472, 2695103), (11183, 1800752), (12773, 1576592), (22366, 900376), (24751, 813616), (25546, 788296), (44732, 450188), (49502, 406808), (50851, 396016), (51092, 394148), (89464, 225094), (98537, 204368), (99004, 203404), (101702, 198008), (102184, 197074), (112547, 178928)]