20153289

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 30401280

約数和(自身を除く): 10247991

約数列:

[1, 3, 13, 29, 39, 87, 103, 173, 309, 377, 519, 1131, 1339, 2249, 2987, 4017, 5017, 6747, 8961, 15051, 17819, 38831, 53457, 65221, 116493, 195663, 231647, 516751, 694941, 1550253, 6717763, 20153289]

約数ペア:

[(1, 20153289), (3, 6717763), (13, 1550253), (29, 694941), (39, 516751), (87, 231647), (103, 195663), (173, 116493), (309, 65221), (377, 53457), (519, 38831), (1131, 17819), (1339, 15051), (2249, 8961), (2987, 6747), (4017, 5017)]