20245280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11503}}^1$

素因数の和:11529

約数の個数: 48

約数和(自身を含む): 52182144

約数和(自身を除く): 31936864

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 11503, 23006, 46012, 57515, 92024, 115030, 126533, 184048, 230060, 253066, 368096, 460120, 506132, 632665, 920240, 1012264, 1265330, 1840480, 2024528, 2530660, 4049056, 5061320, 10122640, 20245280]

約数ペア:

[(1, 20245280), (2, 10122640), (4, 5061320), (5, 4049056), (8, 2530660), (10, 2024528), (11, 1840480), (16, 1265330), (20, 1012264), (22, 920240), (32, 632665), (40, 506132), (44, 460120), (55, 368096), (80, 253066), (88, 230060), (110, 184048), (160, 126533), (176, 115030), (220, 92024), (352, 57515), (440, 46012), (880, 23006), (1760, 11503)]