20609870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1619}}^1$

素因数の和:1712

約数の個数: 32

約数和(自身を含む): 39657600

約数和(自身を除く): 19047730

約数列:

[1, 2, 5, 10, 19, 38, 67, 95, 134, 190, 335, 670, 1273, 1619, 2546, 3238, 6365, 8095, 12730, 16190, 30761, 61522, 108473, 153805, 216946, 307610, 542365, 1084730, 2060987, 4121974, 10304935, 20609870]

約数ペア:

[(1, 20609870), (2, 10304935), (5, 4121974), (10, 2060987), (19, 1084730), (38, 542365), (67, 307610), (95, 216946), (134, 153805), (190, 108473), (335, 61522), (670, 30761), (1273, 16190), (1619, 12730), (2546, 8095), (3238, 6365)]