20807982

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{29641}}^1$

素因数の和:29665

約数の個数: 32

約数和(自身を含む): 49798560

約数和(自身を除く): 28990578

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 29641, 59282, 88923, 177846, 266769, 385333, 533538, 770666, 800307, 1155999, 1600614, 2311998, 3467997, 6935994, 10403991, 20807982]

約数ペア:

[(1, 20807982), (2, 10403991), (3, 6935994), (6, 3467997), (9, 2311998), (13, 1600614), (18, 1155999), (26, 800307), (27, 770666), (39, 533538), (54, 385333), (78, 266769), (117, 177846), (234, 88923), (351, 59282), (702, 29641)]