20647902

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{1163}}^1$

素因数の和:1448

約数の個数: 32

約数和(自身を含む): 45256320

約数和(自身を除く): 24608418

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 269, 538, 807, 1163, 1614, 2326, 2959, 3489, 5918, 6978, 8877, 12793, 17754, 25586, 38379, 76758, 312847, 625694, 938541, 1877082, 3441317, 6882634, 10323951, 20647902]

約数ペア:

[(1, 20647902), (2, 10323951), (3, 6882634), (6, 3441317), (11, 1877082), (22, 938541), (33, 625694), (66, 312847), (269, 76758), (538, 38379), (807, 25586), (1163, 17754), (1614, 12793), (2326, 8877), (2959, 6978), (3489, 5918)]