20961150

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{19963}}^1$

素因数の和:19985

約数の個数: 48

約数和(自身を含む): 59412864

約数和(自身を除く): 38451714

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 150, 175, 210, 350, 525, 1050, 19963, 39926, 59889, 99815, 119778, 139741, 199630, 279482, 299445, 419223, 499075, 598890, 698705, 838446, 998150, 1397410, 1497225, 2096115, 2994450, 3493525, 4192230, 6987050, 10480575, 20961150]

約数ペア:

[(1, 20961150), (2, 10480575), (3, 6987050), (5, 4192230), (6, 3493525), (7, 2994450), (10, 2096115), (14, 1497225), (15, 1397410), (21, 998150), (25, 838446), (30, 698705), (35, 598890), (42, 499075), (50, 419223), (70, 299445), (75, 279482), (105, 199630), (150, 139741), (175, 119778), (210, 99815), (350, 59889), (525, 39926), (1050, 19963)]