20078738253

素因数分解:

$3^2\times 7^1\times {\mathrm{347}}^1\times {\mathrm{751}}^1\times {\mathrm{1223}}^1$

素因数の和:2334

約数の個数: 48

約数和(自身を含む): 33312854016

約数和(自身を除く): 13234115763

約数列:

[1, 3, 7, 9, 21, 63, 347, 751, 1041, 1223, 2253, 2429, 3123, 3669, 5257, 6759, 7287, 8561, 11007, 15771, 21861, 25683, 47313, 77049, 260597, 424381, 781791, 918473, 1273143, 1824179, 2345373, 2755419, 2970667, 3819429, 5472537, 6429311, 8266257, 8912001, 16417611, 19287933, 26736003, 57863799, 318710131, 956130393, 2230970917, 2868391179, 6692912751, 20078738253]

約数ペア:

[(1, 20078738253), (3, 6692912751), (7, 2868391179), (9, 2230970917), (21, 956130393), (63, 318710131), (347, 57863799), (751, 26736003), (1041, 19287933), (1223, 16417611), (2253, 8912001), (2429, 8266257), (3123, 6429311), (3669, 5472537), (5257, 3819429), (6759, 2970667), (7287, 2755419), (8561, 2345373), (11007, 1824179), (15771, 1273143), (21861, 918473), (25683, 781791), (47313, 424381), (77049, 260597)]