20254215

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:483

約数の個数: 32

約数和(自身を含む): 33566400

約数和(自身を除く): 13312185

約数列:

[1, 3, 5, 15, 53, 73, 159, 219, 265, 349, 365, 795, 1047, 1095, 1745, 3869, 5235, 11607, 18497, 19345, 25477, 55491, 58035, 76431, 92485, 127385, 277455, 382155, 1350281, 4050843, 6751405, 20254215]

約数ペア:

[(1, 20254215), (3, 6751405), (5, 4050843), (15, 1350281), (53, 382155), (73, 277455), (159, 127385), (219, 92485), (265, 76431), (349, 58035), (365, 55491), (795, 25477), (1047, 19345), (1095, 18497), (1745, 11607), (3869, 5235)]