20876670

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{463}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 56125440

約数和(自身を除く): 35248770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 167, 270, 334, 463, 501, 835, 926, 1002, 1389, 1503, 1670, 2315, 2505, 2778, 3006, 4167, 4509, 4630, 5010, 6945, 7515, 8334, 9018, 12501, 13890, 15030, 20835, 22545, 25002, 41670, 45090, 62505, 77321, 125010, 154642, 231963, 386605, 463926, 695889, 773210, 1159815, 1391778, 2087667, 2319630, 3479445, 4175334, 6958890, 10438335, 20876670]

約数ペア:

[(1, 20876670), (2, 10438335), (3, 6958890), (5, 4175334), (6, 3479445), (9, 2319630), (10, 2087667), (15, 1391778), (18, 1159815), (27, 773210), (30, 695889), (45, 463926), (54, 386605), (90, 231963), (135, 154642), (167, 125010), (270, 77321), (334, 62505), (463, 45090), (501, 41670), (835, 25002), (926, 22545), (1002, 20835), (1389, 15030), (1503, 13890), (1670, 12501), (2315, 9018), (2505, 8334), (2778, 7515), (3006, 6945), (4167, 5010), (4509, 4630)]