20626398

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{487}}^1$

素因数の和:689

約数の個数: 48

約数和(自身を含む): 48493536

約数和(自身を除く): 27867138

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 181, 234, 362, 487, 543, 974, 1086, 1461, 1629, 2353, 2922, 3258, 4383, 4706, 6331, 7059, 8766, 12662, 14118, 18993, 21177, 37986, 42354, 56979, 88147, 113958, 176294, 264441, 528882, 793323, 1145911, 1586646, 2291822, 3437733, 6875466, 10313199, 20626398]

約数ペア:

[(1, 20626398), (2, 10313199), (3, 6875466), (6, 3437733), (9, 2291822), (13, 1586646), (18, 1145911), (26, 793323), (39, 528882), (78, 264441), (117, 176294), (181, 113958), (234, 88147), (362, 56979), (487, 42354), (543, 37986), (974, 21177), (1086, 18993), (1461, 14118), (1629, 12662), (2353, 8766), (2922, 7059), (3258, 6331), (4383, 4706)]