20115357

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 29990400

約数和(自身を除く): 9875043

約数列:

[1, 3, 19, 29, 43, 57, 87, 129, 283, 551, 817, 849, 1247, 1653, 2451, 3741, 5377, 8207, 12169, 16131, 23693, 24621, 36507, 71079, 155933, 231211, 352901, 467799, 693633, 1058703, 6705119, 20115357]

約数ペア:

[(1, 20115357), (3, 6705119), (19, 1058703), (29, 693633), (43, 467799), (57, 352901), (87, 231211), (129, 155933), (283, 71079), (551, 36507), (817, 24621), (849, 23693), (1247, 16131), (1653, 12169), (2451, 8207), (3741, 5377)]