20878492

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{9473}}^1$

素因数の和:9525

約数の個数: 24

約数和(自身を含む): 39790800

約数和(自身を除く): 18912308

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 116, 551, 1102, 2204, 9473, 18946, 37892, 179987, 274717, 359974, 549434, 719948, 1098868, 5219623, 10439246, 20878492]

約数ペア:

[(1, 20878492), (2, 10439246), (4, 5219623), (19, 1098868), (29, 719948), (38, 549434), (58, 359974), (76, 274717), (116, 179987), (551, 37892), (1102, 18946), (2204, 9473)]