20494430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{883}}^1$

素因数の和:1112

約数の個数: 32

約数和(自身を含む): 40480128

約数和(自身を除く): 19985698

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 211, 422, 883, 1055, 1766, 2110, 2321, 4415, 4642, 8830, 9713, 11605, 19426, 23210, 48565, 97130, 186313, 372626, 931565, 1863130, 2049443, 4098886, 10247215, 20494430]

約数ペア:

[(1, 20494430), (2, 10247215), (5, 4098886), (10, 2049443), (11, 1863130), (22, 931565), (55, 372626), (110, 186313), (211, 97130), (422, 48565), (883, 23210), (1055, 19426), (1766, 11605), (2110, 9713), (2321, 8830), (4415, 4642)]