20702476

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{1291}}^1$

素因数の和:1525

約数の個数: 24

約数和(自身を含む): 38346560

約数和(自身を除く): 17644084

約数列:

[1, 2, 4, 19, 38, 76, 211, 422, 844, 1291, 2582, 4009, 5164, 8018, 16036, 24529, 49058, 98116, 272401, 544802, 1089604, 5175619, 10351238, 20702476]

約数ペア:

[(1, 20702476), (2, 10351238), (4, 5175619), (19, 1089604), (38, 544802), (76, 272401), (211, 98116), (422, 49058), (844, 24529), (1291, 16036), (2582, 8018), (4009, 5164)]