20407746745

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{509}}^1\times {\mathrm{4127}}^1$

素因数の和:4737

約数の個数: 32

約数和(自身を含む): 25768627200

約数和(自身を除く): 5360880455

約数列:

[1, 5, 29, 67, 145, 335, 509, 1943, 2545, 4127, 9715, 14761, 20635, 34103, 73805, 119683, 170515, 276509, 598415, 988987, 1382545, 2100643, 4944935, 8018761, 10503215, 40093805, 60918647, 140743081, 304593235, 703715405, 4081549349, 20407746745]

約数ペア:

[(1, 20407746745), (5, 4081549349), (29, 703715405), (67, 304593235), (145, 140743081), (335, 60918647), (509, 40093805), (1943, 10503215), (2545, 8018761), (4127, 4944935), (9715, 2100643), (14761, 1382545), (20635, 988987), (34103, 598415), (73805, 276509), (119683, 170515)]