20278590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{18269}}^1$

素因数の和:18316

約数の個数: 32

約数和(自身を含む): 49986720

約数和(自身を除く): 29708130

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 74, 111, 185, 222, 370, 555, 1110, 18269, 36538, 54807, 91345, 109614, 182690, 274035, 548070, 675953, 1351906, 2027859, 3379765, 4055718, 6759530, 10139295, 20278590]

約数ペア:

[(1, 20278590), (2, 10139295), (3, 6759530), (5, 4055718), (6, 3379765), (10, 2027859), (15, 1351906), (30, 675953), (37, 548070), (74, 274035), (111, 182690), (185, 109614), (222, 91345), (370, 54807), (555, 36538), (1110, 18269)]