20216948205

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{339239}}^1$

素因数の和:339413

約数の個数: 32

約数和(自身を含む): 33706886400

約数和(自身を除く): 13489938195

約数列:

[1, 3, 5, 15, 29, 87, 137, 145, 411, 435, 685, 2055, 3973, 11919, 19865, 59595, 339239, 1017717, 1696195, 5088585, 9837931, 29513793, 46475743, 49189655, 139427229, 147568965, 232378715, 697136145, 1347796547, 4043389641, 6738982735, 20216948205]

約数ペア:

[(1, 20216948205), (3, 6738982735), (5, 4043389641), (15, 1347796547), (29, 697136145), (87, 232378715), (137, 147568965), (145, 139427229), (411, 49189655), (435, 46475743), (685, 29513793), (2055, 9837931), (3973, 5088585), (11919, 1696195), (19865, 1017717), (59595, 339239)]