20304255

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{373}}^1$

素因数の和:591

約数の個数: 32

約数和(自身を含む): 34467840

約数和(自身を除く): 14163585

約数列:

[1, 3, 5, 15, 19, 57, 95, 191, 285, 373, 573, 955, 1119, 1865, 2865, 3629, 5595, 7087, 10887, 18145, 21261, 35435, 54435, 71243, 106305, 213729, 356215, 1068645, 1353617, 4060851, 6768085, 20304255]

約数ペア:

[(1, 20304255), (3, 6768085), (5, 4060851), (15, 1353617), (19, 1068645), (57, 356215), (95, 213729), (191, 106305), (285, 71243), (373, 54435), (573, 35435), (955, 21261), (1119, 18145), (1865, 10887), (2865, 7087), (3629, 5595)]