20376630

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{463}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 54789120

約数和(自身を除く): 34412490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 163, 270, 326, 463, 489, 815, 926, 978, 1389, 1467, 1630, 2315, 2445, 2778, 2934, 4167, 4401, 4630, 4890, 6945, 7335, 8334, 8802, 12501, 13890, 14670, 20835, 22005, 25002, 41670, 44010, 62505, 75469, 125010, 150938, 226407, 377345, 452814, 679221, 754690, 1132035, 1358442, 2037663, 2264070, 3396105, 4075326, 6792210, 10188315, 20376630]

約数ペア:

[(1, 20376630), (2, 10188315), (3, 6792210), (5, 4075326), (6, 3396105), (9, 2264070), (10, 2037663), (15, 1358442), (18, 1132035), (27, 754690), (30, 679221), (45, 452814), (54, 377345), (90, 226407), (135, 150938), (163, 125010), (270, 75469), (326, 62505), (463, 44010), (489, 41670), (815, 25002), (926, 22005), (978, 20835), (1389, 14670), (1467, 13890), (1630, 12501), (2315, 8802), (2445, 8334), (2778, 7335), (2934, 6945), (4167, 4890), (4401, 4630)]