20995722

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5581}}^1$

素因数の和:5619

約数の個数: 48

約数和(自身を含む): 52247520

約数和(自身を除く): 31251798

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 33, 38, 57, 66, 99, 114, 171, 198, 209, 342, 418, 627, 1254, 1881, 3762, 5581, 11162, 16743, 33486, 50229, 61391, 100458, 106039, 122782, 184173, 212078, 318117, 368346, 552519, 636234, 954351, 1105038, 1166429, 1908702, 2332858, 3499287, 6998574, 10497861, 20995722]

約数ペア:

[(1, 20995722), (2, 10497861), (3, 6998574), (6, 3499287), (9, 2332858), (11, 1908702), (18, 1166429), (19, 1105038), (22, 954351), (33, 636234), (38, 552519), (57, 368346), (66, 318117), (99, 212078), (114, 184173), (171, 122782), (198, 106039), (209, 100458), (342, 61391), (418, 50229), (627, 33486), (1254, 16743), (1881, 11162), (3762, 5581)]