20868574

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{653}}^1$

素因数の和:732

約数の個数: 24

約数和(自身を含む): 34178040

約数和(自身を除く): 13309466

約数列:

[1, 2, 19, 29, 38, 58, 551, 653, 841, 1102, 1306, 1682, 12407, 15979, 18937, 24814, 31958, 37874, 359803, 549173, 719606, 1098346, 10434287, 20868574]

約数ペア:

[(1, 20868574), (2, 10434287), (19, 1098346), (29, 719606), (38, 549173), (58, 359803), (551, 37874), (653, 31958), (841, 24814), (1102, 18937), (1306, 15979), (1682, 12407)]