20576580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1423}}^1$

素因数の和:1676

約数の個数: 48

約数和(自身を含む): 57894144

約数和(自身を除く): 37317564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 241, 482, 723, 964, 1205, 1423, 1446, 2410, 2846, 2892, 3615, 4269, 4820, 5692, 7115, 7230, 8538, 14230, 14460, 17076, 21345, 28460, 42690, 85380, 342943, 685886, 1028829, 1371772, 1714715, 2057658, 3429430, 4115316, 5144145, 6858860, 10288290, 20576580]

約数ペア:

[(1, 20576580), (2, 10288290), (3, 6858860), (4, 5144145), (5, 4115316), (6, 3429430), (10, 2057658), (12, 1714715), (15, 1371772), (20, 1028829), (30, 685886), (60, 342943), (241, 85380), (482, 42690), (723, 28460), (964, 21345), (1205, 17076), (1423, 14460), (1446, 14230), (2410, 8538), (2846, 7230), (2892, 7115), (3615, 5692), (4269, 4820)]