20135133921

素因数分解:

$3^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{557}}^1\times {\mathrm{7517}}^1$

素因数の和:8313

約数の個数: 32

約数和(自身を含む): 30875523840

約数和(自身を除く): 10740389919

約数列:

[1, 3, 7, 21, 229, 557, 687, 1603, 1671, 3899, 4809, 7517, 11697, 22551, 52619, 127553, 157857, 382659, 892871, 1721393, 2678613, 4186969, 5164179, 12049751, 12560907, 29308783, 36149253, 87926349, 958815901, 2876447703, 6711711307, 20135133921]

約数ペア:

[(1, 20135133921), (3, 6711711307), (7, 2876447703), (21, 958815901), (229, 87926349), (557, 36149253), (687, 29308783), (1603, 12560907), (1671, 12049751), (3899, 5164179), (4809, 4186969), (7517, 2678613), (11697, 1721393), (22551, 892871), (52619, 382659), (127553, 157857)]