20728170

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{76771}}^1$

素因数の和:76787

約数の個数: 32

約数和(自身を含む): 55275840

約数和(自身を除く): 34547670

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 76771, 153542, 230313, 383855, 460626, 690939, 767710, 1151565, 1381878, 2072817, 2303130, 3454695, 4145634, 6909390, 10364085, 20728170]

約数ペア:

[(1, 20728170), (2, 10364085), (3, 6909390), (5, 4145634), (6, 3454695), (9, 2303130), (10, 2072817), (15, 1381878), (18, 1151565), (27, 767710), (30, 690939), (45, 460626), (54, 383855), (90, 230313), (135, 153542), (270, 76771)]