20804110810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{3907}}^1\times {\mathrm{10867}}^1$

素因数の和:14795

約数の個数: 48

約数和(自身を含む): 43576419744

約数和(自身を除く): 22772308934

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 3907, 7814, 10867, 19535, 21734, 27349, 39070, 54335, 54698, 76069, 108670, 136745, 152138, 191443, 273490, 380345, 382886, 532483, 760690, 957215, 1064966, 1914430, 2662415, 5324830, 42457369, 84914738, 212286845, 297201583, 424573690, 594403166, 1486007915, 2080411081, 2972015830, 4160822162, 10402055405, 20804110810]

約数ペア:

[(1, 20804110810), (2, 10402055405), (5, 4160822162), (7, 2972015830), (10, 2080411081), (14, 1486007915), (35, 594403166), (49, 424573690), (70, 297201583), (98, 212286845), (245, 84914738), (490, 42457369), (3907, 5324830), (7814, 2662415), (10867, 1914430), (19535, 1064966), (21734, 957215), (27349, 760690), (39070, 532483), (54335, 382886), (54698, 380345), (76069, 273490), (108670, 191443), (136745, 152138)]