20347101424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{823}}^1\times {\mathrm{118861}}^1$

素因数の和:119705

約数の個数: 40

約数和(自身を含む): 42506952992

約数和(自身を除く): 22159851568

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 823, 1646, 3292, 6584, 10699, 13168, 21398, 42796, 85592, 118861, 171184, 237722, 475444, 950888, 1545193, 1901776, 3090386, 6180772, 12361544, 24723088, 97822603, 195645206, 391290412, 782580824, 1271693839, 1565161648, 2543387678, 5086775356, 10173550712, 20347101424]

約数ペア:

[(1, 20347101424), (2, 10173550712), (4, 5086775356), (8, 2543387678), (13, 1565161648), (16, 1271693839), (26, 782580824), (52, 391290412), (104, 195645206), (208, 97822603), (823, 24723088), (1646, 12361544), (3292, 6180772), (6584, 3090386), (10699, 1901776), (13168, 1545193), (21398, 950888), (42796, 475444), (85592, 237722), (118861, 171184)]