20328135

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1$

素因数の和:367

約数の個数: 32

約数和(自身を含む): 33488640

約数和(自身を除く): 13160505

約数列:

[1, 3, 5, 15, 67, 113, 179, 201, 335, 339, 537, 565, 895, 1005, 1695, 2685, 7571, 11993, 20227, 22713, 35979, 37855, 59965, 60681, 101135, 113565, 179895, 303405, 1355209, 4065627, 6776045, 20328135]

約数ペア:

[(1, 20328135), (3, 6776045), (5, 4065627), (15, 1355209), (67, 303405), (113, 179895), (179, 113565), (201, 101135), (335, 60681), (339, 59965), (537, 37855), (565, 35979), (895, 22713), (1005, 20227), (1695, 11993), (2685, 7571)]