20810206

素因数分解:

$2^1\times {\mathrm{19}}^3\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:137

約数の個数: 32

約数和(自身を含む): 34665120

約数和(自身を除く): 13854914

約数列:

[1, 2, 19, 37, 38, 41, 74, 82, 361, 703, 722, 779, 1406, 1517, 1558, 3034, 6859, 13357, 13718, 14801, 26714, 28823, 29602, 57646, 253783, 281219, 507566, 547637, 562438, 1095274, 10405103, 20810206]

約数ペア:

[(1, 20810206), (2, 10405103), (19, 1095274), (37, 562438), (38, 547637), (41, 507566), (74, 281219), (82, 253783), (361, 57646), (703, 29602), (722, 28823), (779, 26714), (1406, 14801), (1517, 13718), (1558, 13357), (3034, 6859)]