20727315

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2269}}^1$

素因数の和:2316

約数の個数: 48

約数和(自身を含む): 42494400

約数和(自身を除く): 21767085

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 45, 63, 87, 105, 145, 203, 261, 315, 435, 609, 1015, 1305, 1827, 2269, 3045, 6807, 9135, 11345, 15883, 20421, 34035, 47649, 65801, 79415, 102105, 142947, 197403, 238245, 329005, 460607, 592209, 714735, 987015, 1381821, 2303035, 2961045, 4145463, 6909105, 20727315]

約数ペア:

[(1, 20727315), (3, 6909105), (5, 4145463), (7, 2961045), (9, 2303035), (15, 1381821), (21, 987015), (29, 714735), (35, 592209), (45, 460607), (63, 329005), (87, 238245), (105, 197403), (145, 142947), (203, 102105), (261, 79415), (315, 65801), (435, 47649), (609, 34035), (1015, 20421), (1305, 15883), (1827, 11345), (2269, 9135), (3045, 6807)]