20192520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{881}}^1$

素因数の和:1086

約数の個数: 64

約数和(自身を含む): 60963840

約数和(自身を除く): 40771320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 191, 382, 573, 764, 881, 955, 1146, 1528, 1762, 1910, 2292, 2643, 2865, 3524, 3820, 4405, 4584, 5286, 5730, 7048, 7640, 8810, 10572, 11460, 13215, 17620, 21144, 22920, 26430, 35240, 52860, 105720, 168271, 336542, 504813, 673084, 841355, 1009626, 1346168, 1682710, 2019252, 2524065, 3365420, 4038504, 5048130, 6730840, 10096260, 20192520]

約数ペア:

[(1, 20192520), (2, 10096260), (3, 6730840), (4, 5048130), (5, 4038504), (6, 3365420), (8, 2524065), (10, 2019252), (12, 1682710), (15, 1346168), (20, 1009626), (24, 841355), (30, 673084), (40, 504813), (60, 336542), (120, 168271), (191, 105720), (382, 52860), (573, 35240), (764, 26430), (881, 22920), (955, 21144), (1146, 17620), (1528, 13215), (1762, 11460), (1910, 10572), (2292, 8810), (2643, 7640), (2865, 7048), (3524, 5730), (3820, 5286), (4405, 4584)]