20947938

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{503}}^1\times {\mathrm{631}}^1$

素因数の和:1150

約数の個数: 32

約数和(自身を含む): 45868032

約数和(自身を除く): 24920094

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 503, 631, 1006, 1262, 1509, 1893, 3018, 3786, 5533, 6941, 11066, 13882, 16599, 20823, 33198, 41646, 317393, 634786, 952179, 1904358, 3491323, 6982646, 10473969, 20947938]

約数ペア:

[(1, 20947938), (2, 10473969), (3, 6982646), (6, 3491323), (11, 1904358), (22, 952179), (33, 634786), (66, 317393), (503, 41646), (631, 33198), (1006, 20823), (1262, 16599), (1509, 13882), (1893, 11066), (3018, 6941), (3786, 5533)]