20249845

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{353}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 30585600

約数和(自身を除く): 10335755

約数列:

[1, 5, 7, 11, 35, 55, 77, 149, 353, 385, 745, 1043, 1639, 1765, 2471, 3883, 5215, 8195, 11473, 12355, 19415, 27181, 52597, 57365, 135905, 262985, 368179, 578567, 1840895, 2892835, 4049969, 20249845]

約数ペア:

[(1, 20249845), (5, 4049969), (7, 2892835), (11, 1840895), (35, 578567), (55, 368179), (77, 262985), (149, 135905), (353, 57365), (385, 52597), (745, 27181), (1043, 19415), (1639, 12355), (1765, 11473), (2471, 8195), (3883, 5215)]