20589540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18061}}^1$

素因数の和:18092

約数の個数: 48

約数和(自身を含む): 60688320

約数和(自身を除く): 40098780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 18061, 36122, 54183, 72244, 90305, 108366, 180610, 216732, 270915, 343159, 361220, 541830, 686318, 1029477, 1083660, 1372636, 1715795, 2058954, 3431590, 4117908, 5147385, 6863180, 10294770, 20589540]

約数ペア:

[(1, 20589540), (2, 10294770), (3, 6863180), (4, 5147385), (5, 4117908), (6, 3431590), (10, 2058954), (12, 1715795), (15, 1372636), (19, 1083660), (20, 1029477), (30, 686318), (38, 541830), (57, 361220), (60, 343159), (76, 270915), (95, 216732), (114, 180610), (190, 108366), (228, 90305), (285, 72244), (380, 54183), (570, 36122), (1140, 18061)]