20607255

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{15791}}^1$

素因数の和:15831

約数の個数: 24

約数和(自身を含む): 36953280

約数和(自身を除く): 16346025

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 15791, 47373, 78955, 142119, 236865, 457939, 710595, 1373817, 2289695, 4121451, 6869085, 20607255]

約数ペア:

[(1, 20607255), (3, 6869085), (5, 4121451), (9, 2289695), (15, 1373817), (29, 710595), (45, 457939), (87, 236865), (145, 142119), (261, 78955), (435, 47373), (1305, 15791)]