16979380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{683}}^1$

素因数の和:816

約数の個数: 48

約数和(自身を含む): 39299904

約数和(自身を除く): 22320524

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 220, 226, 452, 565, 683, 1130, 1243, 1366, 2260, 2486, 2732, 3415, 4972, 6215, 6830, 7513, 12430, 13660, 15026, 24860, 30052, 37565, 75130, 77179, 150260, 154358, 308716, 385895, 771790, 848969, 1543580, 1697938, 3395876, 4244845, 8489690, 16979380]

約数ペア:

[(1, 16979380), (2, 8489690), (4, 4244845), (5, 3395876), (10, 1697938), (11, 1543580), (20, 848969), (22, 771790), (44, 385895), (55, 308716), (110, 154358), (113, 150260), (220, 77179), (226, 75130), (452, 37565), (565, 30052), (683, 24860), (1130, 15026), (1243, 13660), (1366, 12430), (2260, 7513), (2486, 6830), (2732, 6215), (3415, 4972)]