20459355

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6719}}^1$

素因数の和:6763

約数の個数: 32

約数和(自身を含む): 38707200

約数和(自身を除く): 18247845

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 145, 203, 435, 609, 1015, 3045, 6719, 20157, 33595, 47033, 100785, 141099, 194851, 235165, 584553, 705495, 974255, 1363957, 2922765, 4091871, 6819785, 20459355]

約数ペア:

[(1, 20459355), (3, 6819785), (5, 4091871), (7, 2922765), (15, 1363957), (21, 974255), (29, 705495), (35, 584553), (87, 235165), (105, 194851), (145, 141099), (203, 100785), (435, 47033), (609, 33595), (1015, 20157), (3045, 6719)]